APA (7th ed.) Citation

Rollins, R. C. (1973). The Genus Lesquerella (Cruciferae) in North America. Harvard University Press. https://doi.org/10.4159/harvard.9780674432192

Chicago Style (17th ed.) Citation

Rollins, Reed C. The Genus Lesquerella (Cruciferae) in North America. Cambridge, Mass: Harvard University Press, 1973. https://doi.org/10.4159/harvard.9780674432192.

MLA (9th ed.) Citation

Rollins, Reed C. The Genus Lesquerella (Cruciferae) in North America. Harvard University Press, 1973. https://doi.org/10.4159/harvard.9780674432192.