APA (7th ed.) Citation

Gehl, W. (1936). (1815 - 1936).

Chicago Style (17th ed.) Citation

Gehl, Walther. (1815 - 1936). 1936.

MLA (8th ed.) Citation

Gehl, Walther. (1815 - 1936). 1936.

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