APA (7th ed.) Citation

Reinikka, M. A., & Romero, G. A. (1995). A history of the orchid. Timber Press.

Chicago Style (17th ed.) Citation

Reinikka, Merle A., and Gustavo A. Romero. A History of the Orchid. Portland, Or.: Timber Press, 1995.

MLA (9th ed.) Citation

Reinikka, Merle A., and Gustavo A. Romero. A History of the Orchid. Timber Press, 1995.