APA (7th ed.) Citation

Zohary, M., Heyn, C. C., & Heller, D. (1993). Conspectus florae orientalis. Conspectus florae orientalis an annotated catalogue of the flora of the Middle East.

Chicago Style (17th ed.) Citation

Zohary, Michael, C. C. Heyn, and D. Heller. "Conspectus Florae Orientalis." Conspectus Florae Orientalis an Annotated Catalogue of the Flora of the Middle East 1993.

MLA (8th ed.) Citation

Zohary, Michael, et al. "Conspectus Florae Orientalis." Conspectus Florae Orientalis an Annotated Catalogue of the Flora of the Middle East, 1993.