Style de citation APA

Hutchinson, J. (1967). Key to the families of flowering plants of the world (Revised and enlarged for use as a supplement to The genera of flowering plants.). Clarendon P..

Style de citation Chicago

Hutchinson, J. Key to the Families of Flowering Plants of the World. Revised and enlarged for use as a supplement to The genera of flowering plants. Oxford: Clarendon P., 1967.

Style de citation MLA

Hutchinson, J. Key to the Families of Flowering Plants of the World. Revised and enlarged for use as a supplement to The genera of flowering plants. Clarendon P., 1967.