APA (7th ed.) Citation

Pfeifer, P., & Pfeifer, G. (1997). Boden. Aulis-Verl. Deubner.

Chicago Style (17th ed.) Citation

Pfeifer, Peter, and Gustav Pfeifer. Boden. Köln: Aulis-Verl. Deubner, 1997.

MLA (9th ed.) Citation

Pfeifer, Peter, and Gustav Pfeifer. Boden. Aulis-Verl. Deubner, 1997.

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