APA (7th ed.) Citation

Krebs, N. (1943). GEOGRAFÍA HUMANA. Labor.

Chicago Style (17th ed.) Citation

Krebs, Norbert. GEOGRAFÍA HUMANA. Barcelona: Labor, 1943.

MLA (9th ed.) Citation

Krebs, Norbert. GEOGRAFÍA HUMANA. Labor, 1943.

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