APA (7th ed.) Citation

Entomological Society of Washington, Wirth, W. W., Mathis, W. N., & Grogan, W. L. (1996). Contributions on Diptera dedicated to Willis W. Wirth. Entomological Society of Washington.

Chicago Style (17th ed.) Citation

Entomological Society of Washington, Willis Wagner Wirth, Wayne N. Mathis, and William L. Grogan. Contributions on Diptera Dedicated to Willis W. Wirth. Washington, D.C.: Entomological Society of Washington, 1996.

MLA (9th ed.) Citation

Entomological Society of Washington, et al. Contributions on Diptera Dedicated to Willis W. Wirth. Entomological Society of Washington, 1996.