APA (7th ed.) Citation

Ziller, R. C., & Ziller, R. C. (1973). The social self. Pergamon general psychology series.

Chicago Style (17th ed.) Citation

Ziller, Robert C., and Robert Charles Ziller. "The Social Self." Pergamon General Psychology Series 1973.

MLA (8th ed.) Citation

Ziller, Robert C., and Robert Charles Ziller. "The Social Self." Pergamon General Psychology Series, 1973.

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