Cita APA (7th ed.)

Berger, M., & Male, A. (2001). Can Snakes Crawl Backward: Questions and Answers About Reptiles. Scholastic Reference.

Cita Chicago (17th ed.)

Berger, Melvin, i Alan Male. Can Snakes Crawl Backward: Questions and Answers About Reptiles. New York: Scholastic Reference, 2001.

Cita MLA (9th ed.)

Berger, Melvin, i Alan Male. Can Snakes Crawl Backward: Questions and Answers About Reptiles. Scholastic Reference, 2001.