APA (7th ed.) Citation

Stirton, C., Muasya, M., & Vlok, J. (2012). Psoralea karooensis (Psoraleeae, Fabaceae): A new species from the Klein Karoo region of South Africa. Pensoft Publishers.

Chicago Style (17th ed.) Citation

Stirton, Charles, Muthama Muasya, and Jan Vlok. Psoralea Karooensis (Psoraleeae, Fabaceae): A New Species from the Klein Karoo Region of South Africa. Pensoft Publishers, 2012.

MLA (8th ed.) Citation

Stirton, Charles, et al. Psoralea Karooensis (Psoraleeae, Fabaceae): A New Species from the Klein Karoo Region of South Africa. Pensoft Publishers, 2012.