Cita APA (7a ed.)

Cronquist, A. (1981). An Integrated system of classification of flowering plants (1st edition.). Columbia University Press.

Cita Chicago Style (17a ed.)

Cronquist, Arthur. An Integrated System of Classification of Flowering Plants. 1st edition. New York: Columbia University Press, 1981.

Cita MLA (8a ed.)

Cronquist, Arthur. An Integrated System of Classification of Flowering Plants. 1st edition. Columbia University Press, 1981.