APA (7th ed.) Citation

Grau, K. J. (1937). Lógica (3a ed.). Labor.

Chicago Style (17th ed.) Citation

Grau, Kurt Joachim. Lógica. 3a ed. Barcelona: Labor, 1937.

MLA (9th ed.) Citation

Grau, Kurt Joachim. Lógica. 3a ed. Labor, 1937.

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