APA (7th ed.) Citation

Grell, K. (1973). Protozoology: With 437 figures and 15 tab. Springer.

Chicago Style (17th ed.) Citation

Grell, Karl. Protozoology: With 437 Figures and 15 Tab. Berlin, Heidelberg, New York: Springer, 1973.

MLA (9th ed.) Citation

Grell, Karl. Protozoology: With 437 Figures and 15 Tab. Springer, 1973.