APA (7th ed.) Citation

Cassie, B. (1999). National Audubon Society first field guide. Scholastic.

Chicago Style (17th ed.) Citation

Cassie, Brian. National Audubon Society First Field Guide. New York: Scholastic, 1999.

MLA (9th ed.) Citation

Cassie, Brian. National Audubon Society First Field Guide. Scholastic, 1999.