APA (7th ed.) Citation

Helbok, A., & Wagner, K. (1938). Volk. Niemeyer.

Chicago Style (17th ed.) Citation

Helbok, Adolf, and Kurt Wagner. Volk. Halle/Saale: Niemeyer, 1938.

MLA (8th ed.) Citation

Helbok, Adolf, and Kurt Wagner. Volk. Niemeyer, 1938.

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