APA aipamena

Summers, A. O., Wireman, J., Billard, L., Bennett, S., Lorscheider, F. L., Vimy, M. J., . . . Marshall, B. (1994). New Policy for Titles of Letters to the Editor.

Chicago Style aipamena

Summers, Anne O., Joy Wireman, Lynne Billard, Sam Bennett, Fritz L. Lorscheider, Murray J. Vimy, Stuart B. Levy, and Bonnie Marshall. New Policy for Titles of Letters to the Editor. 1994.

MLA aipamena

Summers, Anne O., et al. New Policy for Titles of Letters to the Editor. 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.