APA (7th ed.) Citation

Ek, R. C. (1990). Index of Guyana plant collectors. Koeltz Scientific Books.

Chicago Style (17th ed.) Citation

Ek, Renske C. Index of Guyana Plant Collectors. Königstein: Koeltz Scientific Books, 1990.

MLA (9th ed.) Citation

Ek, Renske C. Index of Guyana Plant Collectors. Koeltz Scientific Books, 1990.

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