APA (7th ed.) Citation

La Vega, A. d. (1950). The Negative emotion. [s.n.].

Chicago Style (17th ed.) Citation

La Vega, Aurelio de. The Negative Emotion. La Habana: [s.n.], 1950.

MLA (9th ed.) Citation

La Vega, Aurelio de. The Negative Emotion. [s.n.], 1950.

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