APA (7th ed.) Citation

Hutchinson, J. (1959). The families of flowering plants (2nd ed.). Oxford University Press.

Chicago Style (17th ed.) Citation

Hutchinson, John. The Families of Flowering Plants. 2nd ed. Oxford: Oxford University Press, 1959.

MLA (9th ed.) Citation

Hutchinson, John. The Families of Flowering Plants. 2nd ed. Oxford University Press, 1959.