MLA

Format:

Author Last, First. Letter. Newspaper Name Day Month Year of Publication:
          page number.

[Note: See the entry on citing Articles from a Printed Newspaper for more information.]

Sample Citation:

Davies, Deborah D. Letter. San Francisco Chronicle 16 May 2005: B4.
 

APA

Format:

Author Last, First Initial. (Year, Date of Publication). Title [Letter to the
          editor]. Newspaper Name, p. page number.

Sample Citation:

Davies, D.D. (2005, May 16). Plastic bag watch [Letter to the editor].
          San Francisco Chronicle, p. B4.
 

Chicago
 

Letters published in daily newspapers are rarely cited in Chicago style, although these references may be included in footnotes, endnotes, or within the text (see p. 700-01 in The Chicago Manual of Style, 15th ed).  The following is an example of a note for a letter to the editor.

Format:

          Note number. Author First Last, letter to the editor, Newspaper Name, Month Day, Year of Publication.

Sample Note:

          22. Deborah D. Davies, letter to the editor, San Francisco Chronicle,
May 16, 2005.
 

ASA

 

The ASA Style Guide, Third ed., does not include suggestions for citing a letter to an editor. 
 

Turabian

(Notes)
 

[Note: When using Turabian notes style, articles should be included as notes as opposed to bibliographic citations.  For more information on citing newspaper items in notes style, see Kate L. Turabian's A Manual for Writers, 7th ed. p. 186-188.]

Format:

          Note number. Author First Last, letter to the editor, Newspaper Name, Month Day, Year of Publication.

Sample Note:

          22. Deborah D. Davies, letter to the editor, San Francisco Chronicle,
May 16, 2005.
 

Turabian

(Author-Date)

Format:

Author Last, First. Year of Pub. Letter to the editor. Newspaper Name. Month Day.

Sample Citation:

Davies, Deborah D. 2005. Letter to the editor. San Francisco Chronicle. May 16.