APA-referens

Allen, A. A. (1968). book of bird life (2nd ed.). D. Van Nostrand Company. Inc.

Chicago-stil citat

Allen, Arthur A. Book of Bird Life. 2nd ed. New Jersey: D. Van Nostrand Company. Inc, 1968.

MLA-referens

Allen, Arthur A. Book of Bird Life. 2nd ed. D. Van Nostrand Company. Inc, 1968.