APA (7th ed.) Citation

Steffen, S., Mucina, L., & Kadereit, G. (2010). Revision of Sarcocornia (Chenopodiaceae) in South Africa, Namibia and Mozambique. The American Society of Plant Taxonomists.

Chicago Style (17th ed.) Citation

Steffen, S., Ladislav Mucina, and G. Kadereit. Revision of Sarcocornia (Chenopodiaceae) in South Africa, Namibia and Mozambique. The American Society of Plant Taxonomists, 2010.

MLA (9th ed.) Citation

Steffen, S., et al. Revision of Sarcocornia (Chenopodiaceae) in South Africa, Namibia and Mozambique. The American Society of Plant Taxonomists, 2010.