APA (7e ed.) Bronvermelding

Hutchinson, J. (1967). Key to the families of flowering plants of the world. Clarendon Press.

Chicago (17e ed.) Bronvermelding

Hutchinson, J. Key to the Families of Flowering Plants of the World. London, United Kingdom: Clarendon Press, 1967.

MLA (9e ed.) Bronvermelding

Hutchinson, J. Key to the Families of Flowering Plants of the World. Clarendon Press, 1967.