Cita APA (7a ed.)

Fernald, H. T., & Shepard, H. H. (1942). Applied entomology: An introductory textbook of insects in their relations to man (4th. ed.). McGraw-Hill.

Cita Chicago Style (17a ed.)

Fernald, H. T., y Harold H. Shepard. Applied Entomology: An Introductory Textbook of Insects in Their Relations to Man. 4th. ed. New York: McGraw-Hill, 1942.

Cita MLA (8a ed.)

Fernald, H. T., y Harold H. Shepard. Applied Entomology: An Introductory Textbook of Insects in Their Relations to Man. 4th. ed. McGraw-Hill, 1942.