APA (7th ed.) Citation

Coates, M. E., Gordon, H. A., & Wostmann, B. S. (1968). The germ-free animal in research. Academic Press.

Chicago Style (17th ed.) Citation

Coates, M. E., Helmut Albert Gordon, and Bernard S. Wostmann. The Germ-free Animal in Research. London: Academic Press, 1968.

MLA (9th ed.) Citation

Coates, M. E., et al. The Germ-free Animal in Research. Academic Press, 1968.