APA (7th ed.) Citation

Villaseñor, J. L., & Strother, J. L. (1989). Tuxtla, a new genus for Zexmenia pittieri: Compositae: Heliantheae ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Villaseñor, José Luis, and John L. Strother. Tuxtla, a New Genus for Zexmenia Pittieri: Compositae: Heliantheae. [Sonderdr.]. 1989.

MLA (9th ed.) Citation

Villaseñor, José Luis, and John L. Strother. Tuxtla, a New Genus for Zexmenia Pittieri: Compositae: Heliantheae. [Sonderdr.]. 1989.

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