Cita APA (7a ed.)

Heiser, C. B. (1985). Of plants and people. University of Oklahoma Press.

Cita Chicago Style (17a ed.)

Heiser, Charles B. Of Plants and People. Oklahoma: University of Oklahoma Press, 1985.

Cita MLA (8a ed.)

Heiser, Charles B. Of Plants and People. University of Oklahoma Press, 1985.