Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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