APA (7th ed.) Citation

Gaupp, R., & Vallejo NÆgera, A. (1936). Psicologa del niæo (4“ ed.). Labor.

Chicago Style (17th ed.) Citation

Gaupp, Robert, and Antonio Vallejo NÆgera. Psicologa Del Niæo. 4“ ed. Barcelona [etc.]: Labor, 1936.

MLA (9th ed.) Citation

Gaupp, Robert, and Antonio Vallejo NÆgera. Psicologa Del Niæo. 4“ ed. Labor, 1936.

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