APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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