APA (7e ed.) Bronvermelding

Dittmer, H., & Findley, C. (1964). Phylogeny and form in the plant kingdom. D. Van Nostrand Co.

Chicago (17e ed.) Bronvermelding

Dittmer, H.J, en C.D Findley. Phylogeny and Form in the Plant Kingdom. Princeton, New Jersey: D. Van Nostrand Co, 1964.

MLA (9e ed.) Bronvermelding

Dittmer, H.J, en C.D Findley. Phylogeny and Form in the Plant Kingdom. D. Van Nostrand Co, 1964.