APA (7th ed.) Citation

Clarkson, P. (1993). Fritz perls. SAGE.

Chicago Style (17th ed.) Citation

Clarkson, Petruska. Fritz Perls. London: SAGE, 1993.

MLA (9th ed.) Citation

Clarkson, Petruska. Fritz Perls. SAGE, 1993.

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