APA citiranje

Thompson, F. G., & Franz, R. (1976). Some urocoptid land snails from Hispaniola.

Citación estilo Chicago

Thompson, Fred G., y Richard Franz. Some Urocoptid Land Snails From Hispaniola. 1976.

MLA citiranje

Thompson, Fred G., y Richard Franz. Some Urocoptid Land Snails From Hispaniola. 1976.