APA (7th ed.) Citation

Clark, D. (1988). Pelargoniums. Timber Press.

Chicago Style (17th ed.) Citation

Clark, David. Pelargoniums. Portland, Or: Timber Press, 1988.

MLA (9th ed.) Citation

Clark, David. Pelargoniums. Timber Press, 1988.

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