APA (7th ed.) Citation

Potonié, R., & Seitz, O. (1925). Geologie. de Gruyter.

Chicago Style (17th ed.) Citation

Potonié, Robert, and Otto Seitz. Geologie. Berlin u.a: de Gruyter, 1925.

MLA (9th ed.) Citation

Potonié, Robert, and Otto Seitz. Geologie. de Gruyter, 1925.

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