APA (7th ed.) Zitazioa
Dittmer, H. J. (1964). Philogeny and Form in the Plant Kingdom. D. Van Nostrand Company.
Chicago Style (17th ed.) Zitazioa
Dittmer, Howard J. Philogeny and Form in the Plant Kingdom. New Jersey: D. Van Nostrand Company, 1964.
MLA (9th ed.) Zitazioa
Dittmer, Howard J. Philogeny and Form in the Plant Kingdom. D. Van Nostrand Company, 1964.
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