APA (7th ed.) Citation

Frey, E. (1939). Macht. Haupt.

Chicago Style (17th ed.) Citation

Frey, Ernst. Macht. Bern [u.a.]: Haupt, 1939.

MLA (9th ed.) Citation

Frey, Ernst. Macht. Haupt, 1939.

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