APA Citation

Butcher, H. J., & Butcher, H. J. (1974). La inteligencia humana. Madrid: Marova.

Chicago Style Citation

Butcher, Harold John, and Harold John Butcher. La Inteligencia Humana. Madrid: Marova, 1974.

MLA Citation

Butcher, Harold John, and Harold John Butcher. La Inteligencia Humana. Madrid: Marova, 1974.

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