APA (7th ed.) Citation

Gübelin, E. (1974). Edelsteine. Hallwag.

Chicago Style (17th ed.) Citation

Gübelin, Eduard. Edelsteine. Bern [u.a.]: Hallwag, 1974.

MLA (9th ed.) Citation

Gübelin, Eduard. Edelsteine. Hallwag, 1974.

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