APA (7th ed.) Citation

P. Vovides, A., D. Rees, J., & Vázquez-Torres, M. (1983). ZAMIACEAE. Flora de Veracruz.

Chicago Style (17th ed.) Citation

P. Vovides, Andrew, John D. Rees, and Mario Vázquez-Torres. ZAMIACEAE. Flora de Veracruz, 1983.

MLA (9th ed.) Citation

P. Vovides, Andrew, et al. ZAMIACEAE. Flora de Veracruz, 1983.