APA (7th ed.) Citation

Oppenheim, A. L. (1974). Geers, Frederick W. (24.01.1885-29.01.1955).

Chicago Style (17th ed.) Citation

Oppenheim, A. L. Geers, Frederick W. (24.01.1885-29.01.1955). 1974.

MLA (8th ed.) Citation

Oppenheim, A. L. Geers, Frederick W. (24.01.1885-29.01.1955). 1974.

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