APA (7th ed.) Citation

Polhill, D., & Polhill, R. M. (2015). East African plant collectors (1. publ.). Kew Publ.

Chicago Style (17th ed.) Citation

Polhill, Diana, and Roger M. Polhill. East African Plant Collectors. 1. publ. Kew: Kew Publ, 2015.

MLA (9th ed.) Citation

Polhill, Diana, and Roger M. Polhill. East African Plant Collectors. 1. publ. Kew Publ, 2015.

Warning: These citations may not always be 100% accurate.