Cita APA (7th ed.)

Arnett, R. H. J., Downie, N. M., & Jacques, H. (1980). How to know the beetles (2nd ed.). WCB/McGraw-Hill.

Cita Chicago (17th ed.)

Arnett, Ross H. Jr, N. M. Downie, i H.E Jacques. How to Know the Beetles. 2nd ed. Boston: WCB/McGraw-Hill, 1980.

Cita MLA (9th ed.)

Arnett, Ross H. Jr, et al. How to Know the Beetles. 2nd ed. WCB/McGraw-Hill, 1980.