APA (7th ed.) Citation

Frebold, G. Erzlagerstättenkunde. de Gruyter.

Chicago Style (17th ed.) Citation

Frebold, Georg. Erzlagerstättenkunde. Berlin: de Gruyter.

MLA (9th ed.) Citation

Frebold, Georg. Erzlagerstättenkunde. de Gruyter.

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