Cita APA (7a ed.)

Simon, S., & Friedman, E. (1985). 101 questions and answers about dangerous animals. Macmillan ; Collier Macmillan.

Cita Chicago Style (17a ed.)

Simon, Seymour, y E. Friedman. 101 Questions and Answers About Dangerous Animals. New York : London: Macmillan ; Collier Macmillan, 1985.

Cita MLA (8a ed.)

Simon, Seymour, y E. Friedman. 101 Questions and Answers About Dangerous Animals. Macmillan ; Collier Macmillan, 1985.