APA (7th ed.) Citation

Potel, M., & Graell, G. (1920). El comerciante moderno: Enciclopedia comercial (2a ed.). Labor.

Chicago Style (17th ed.) Citation

Potel, Maurice, and Guillermo Graell. El Comerciante Moderno: Enciclopedia Comercial. 2a ed. Barcelona: Labor, 1920.

MLA (9th ed.) Citation

Potel, Maurice, and Guillermo Graell. El Comerciante Moderno: Enciclopedia Comercial. 2a ed. Labor, 1920.

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