Cita APA

May, C. P., & May, C. P. (1972). A Book of insects. New York, New York: St. Martin's.

Citación estilo Chicago

May, Charles Paul, y Charles Paul May. A Book of Insects. New York, New York: St. Martin's, 1972.

Cita MLA

May, Charles Paul, y Charles Paul May. A Book of Insects. New York, New York: St. Martin's, 1972.