APA (7th ed.) Citation

Zürich, R. P. Otto Schütz (ca. 1960).

Chicago Style (17th ed.) Citation

Zürich, RIA Photo. Otto Schütz (ca. 1960).

MLA (8th ed.) Citation

Zürich, RIA Photo. Otto Schütz (ca. 1960).

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