APA (7th ed.) Citation

Bechert, K., Gerthsen, C., & Flammersfeld, A. (1954). Atomphysik. de Gruyter.

Chicago Style (17th ed.) Citation

Bechert, Karl, Christian Gerthsen, and Arnold Flammersfeld. Atomphysik. Berlin: de Gruyter, 1954.

MLA (9th ed.) Citation

Bechert, Karl, et al. Atomphysik. de Gruyter, 1954.