APA (7th ed.) Citation

Frech, F., & Carandell, J. (1930). Geología. Labor.

Chicago Style (17th ed.) Citation

Frech, F., and Juan Carandell. Geología. Barcelona [etc.]: Labor, 1930.

MLA (9th ed.) Citation

Frech, F., and Juan Carandell. Geología. Labor, 1930.

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