APA (7th ed.) Citation

(2012). Carl Rogers' Helping System: Journey and Substance. SAGE.

Chicago Style (17th ed.) Citation

Carl Rogers' Helping System: Journey and Substance. [B.m.]: SAGE, 2012.

MLA (9th ed.) Citation

Carl Rogers' Helping System: Journey and Substance. SAGE, 2012.

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