APA (7th ed.) Citation

Klopfer, P. H., & Hailman, J. P. (1967). An introduction to animal behavior: Ethology's first century (4.print.). Prentice-Hall.

Chicago Style (17th ed.) Citation

Klopfer, Peter H., and Jack P. Hailman. An Introduction to Animal Behavior: Ethology's First Century. 4.print. Englewood Cliffs, N.J: Prentice-Hall, 1967.

MLA (9th ed.) Citation

Klopfer, Peter H., and Jack P. Hailman. An Introduction to Animal Behavior: Ethology's First Century. 4.print. Prentice-Hall, 1967.