APA (7th ed.) Citation

Richelle, M., & Lejeune, H. (1980). Time in animal behaviour. Pergamon.

Chicago Style (17th ed.) Citation

Richelle, Marc, and Helga Lejeune. Time in Animal Behaviour. Oxford ; New York: Pergamon, 1980.

MLA (9th ed.) Citation

Richelle, Marc, and Helga Lejeune. Time in Animal Behaviour. Pergamon, 1980.