APA (7th ed.) Citation

ScienceDirect (Online service), Gay, W. I., & Heavner, J. E. (1965). Methods of animal experimentation. Academic Press.

Chicago Style (17th ed.) Citation

ScienceDirect (Online service), William I. Gay, and James E. Heavner. Methods of Animal Experimentation. New York: Academic Press, 1965.

MLA (9th ed.) Citation

ScienceDirect (Online service), et al. Methods of Animal Experimentation. Academic Press, 1965.