APA (7th ed.) Citation

Vogel, R., Trautschold, I., & Werle, E. (1968). Natural proteinase inhibitors. Academic Press.

Chicago Style (17th ed.) Citation

Vogel, Rosmarie, Ivar Trautschold, and Eugen Werle. Natural Proteinase Inhibitors. New York: Academic Press, 1968.

MLA (8th ed.) Citation

Vogel, Rosmarie, et al. Natural Proteinase Inhibitors. Academic Press, 1968.