APA (7th ed.) Citation

Zimmerman, D. P., Robert, S. C., & Robert, H. M. (2005). Robert's Rules in plain English (2nd ed.). Collins.

Chicago Style (17th ed.) Citation

Zimmerman, Doris P., Sarah Corbin Robert, and Henry M. Robert. Robert's Rules in Plain English. 2nd ed. New York, NY: Collins, 2005.

MLA (9th ed.) Citation

Zimmerman, Doris P., et al. Robert's Rules in Plain English. 2nd ed. Collins, 2005.