APA (7th ed.) Citation

Polster, E., & Polster, M. (1985). Terapia guestáltica. Amorrortu.

Chicago Style (17th ed.) Citation

Polster, Erving, and Miriam Polster. Terapia Guestáltica. Buenos Aires: Amorrortu, 1985.

MLA (9th ed.) Citation

Polster, Erving, and Miriam Polster. Terapia Guestáltica. Amorrortu, 1985.

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