APA (7. basım) Alıntı

Peterson, R. T. (1941). A field guide to western birds. Houghton Mifflin.

Chicago Style (17. basım) Atıf

Peterson, Roger Tory. A Field Guide to Western Birds. Houghton Mifflin, 1941.

MLA (9th ed.) Atıf

Peterson, Roger Tory. A Field Guide to Western Birds. Houghton Mifflin, 1941.