APA (7th ed.) Citation

Jansen, R. K. (1985). The systematics of Acmella (Asteraceae-Heliantheae). American Soc. of Plant Taxonomists.

Chicago Style (17th ed.) Citation

Jansen, Robert K. The Systematics of Acmella (Asteraceae-Heliantheae). Ann Arbor, Mich: American Soc. of Plant Taxonomists, 1985.

MLA (9th ed.) Citation

Jansen, Robert K. The Systematics of Acmella (Asteraceae-Heliantheae). American Soc. of Plant Taxonomists, 1985.