APA (7th ed.) Citation

Gunther, S. (1929). Geografía fisica (2a ed.). Labor.

Chicago Style (17th ed.) Citation

Gunther, Siegmund. Geografía Fisica. 2a ed. Barcelona, España: Labor, 1929.

MLA (9th ed.) Citation

Gunther, Siegmund. Geografía Fisica. 2a ed. Labor, 1929.

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