APA (7th ed.) Citation

(1978). Pelargoniums: Propagation and cultivation. National Botanic Gardens of South Africa.

Chicago Style (17th ed.) Citation

Pelargoniums: Propagation and Cultivation. Kirstenbosch: National Botanic Gardens of South Africa, 1978.

MLA (9th ed.) Citation

Pelargoniums: Propagation and Cultivation. National Botanic Gardens of South Africa, 1978.

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