APA (7th ed.) Citation

Rhoads, A. F., Block, T. A., & Aniśko, A. (2000). The plants of Pennsylvania: An illustrated manual. University of Pennsylvania Press.

Chicago Style (17th ed.) Citation

Rhoads, Ann Fowler, Timothy A. Block, and Anna Aniśko. The Plants of Pennsylvania: An Illustrated Manual. Philadelphia: University of Pennsylvania Press, 2000.

MLA (9th ed.) Citation

Rhoads, Ann Fowler, et al. The Plants of Pennsylvania: An Illustrated Manual. University of Pennsylvania Press, 2000.