APA

Hutchinson J., . (1979). The families of flowering plants : arranged according to a new system based on their probable phylogeny. Oxford, NY: Otto Koeltz; Clarendon Press.

Chicago

Hutchinson John, . 1979. The families of flowering plants : arranged according to a new system based on their probable phylogeny. Oxford, NY: Otto Koeltz; Clarendon Press.

Harvard

Hutchinson J., . (1979). The families of flowering plants : arranged according to a new system based on their probable phylogeny. Oxford, NY: Otto Koeltz; Clarendon Press.

MLA

Hutchinson John, . The families of flowering plants : arranged according to a new system based on their probable phylogeny. Oxford, NY: Otto Koeltz; Clarendon Press. 1979.