Proceedings of the seventh international Protea research symposium

MLA

Gerber, A. I, and K. W Leonhardt. Proceedings of the Seventh International Protea Research Symposium. Leuven: International Society for Horticultural Science (ISHS), 2006.

APA

Gerber, A. I, & Leonhardt, K. W. (2006). Proceedings of the seventh international Protea research symposium. Leuven: International Society for Horticultural Science (ISHS).

Chicago

Gerber, A. I., and K. W Leonhardt. Proceedings of the Seventh International Protea Research Symposium. Leuven: International Society for Horticultural Science (ISHS), 2006.