APA (7th ed.) Citation

Hegner, R. W. (1968). Big fleas have little fleas: Or Who's who among the protozoa. Dover Publications.

Chicago Style (17th ed.) Citation

Hegner, Robert William. Big Fleas Have Little Fleas: Or Who's Who Among the Protozoa. New York: Dover Publications, 1968.

MLA (9th ed.) Citation

Hegner, Robert William. Big Fleas Have Little Fleas: Or Who's Who Among the Protozoa. Dover Publications, 1968.