APA (7th ed.) Citation

Dittmer, H. J. (1964). Phylogeny and form in the plant kingdom. Van Nostrand.

Chicago Style (17th ed.) Citation

Dittmer, Howard J. Phylogeny and Form in the Plant Kingdom. Princeton N.J.: Van Nostrand, 1964.

MLA (9th ed.) Citation

Dittmer, Howard J. Phylogeny and Form in the Plant Kingdom. Van Nostrand, 1964.