APA (7th ed.) Citation

Franz, V. (1927). Ontogenie und Phylogenie.

Chicago Style (17th ed.) Citation

Franz, V. Ontogenie Und Phylogenie. Berlin, 1927.

MLA (8th ed.) Citation

Franz, V. Ontogenie Und Phylogenie. 1927.

Warning: These citations may not always be 100% accurate.