APA (7th ed.) Citation

Koehli, E. Z. Eduard Zellweger (ca. 1965).

Chicago Style (17th ed.) Citation

Koehli, Ernst: Zürich. Eduard Zellweger (ca. 1965).

MLA (8th ed.) Citation

Koehli, Ernst: Zürich. Eduard Zellweger (ca. 1965).

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