APA (7th ed.) Citation

Clausen, R. T. (1975). Sedum of North America north of the Mexican plateau. Cornell University Press.

Chicago Style (17th ed.) Citation

Clausen, Robert T. Sedum of North America North of the Mexican Plateau. Ithaca, N.Y.: Cornell University Press, 1975.

MLA (9th ed.) Citation

Clausen, Robert T. Sedum of North America North of the Mexican Plateau. Cornell University Press, 1975.