APA (7th ed.) Citation

Spann, O. (1937). Naturphilosophie. G. Fischer.

Chicago Style (17th ed.) Citation

Spann, Othmar. Naturphilosophie. Jena: G. Fischer, 1937.

MLA (9th ed.) Citation

Spann, Othmar. Naturphilosophie. G. Fischer, 1937.

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