APA (7th ed.) Citation

Helwig, P., & Antich, I. (1970). Caracterología. Herder.

Chicago Style (17th ed.) Citation

Helwig, Paul, and Ismael Antich. Caracterología. Barcelona: Herder, 1970.

MLA (9th ed.) Citation

Helwig, Paul, and Ismael Antich. Caracterología. Herder, 1970.

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