Cita APA

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

Chicago Edition Citation

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

Cita MLA

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