APA (7th ed.) Citation
Carkhuff, R. (1979). The skills of helping: An introduction to counselling skills. Human Technology.
Chicago Style (17th ed.) Citation
Carkhuff, Robert. The Skills of Helping: An Introduction to Counselling Skills. Massachussets: Human Technology, 1979.
MLA (9th ed.) Citation
Carkhuff, Robert. The Skills of Helping: An Introduction to Counselling Skills. Human Technology, 1979.
Warning: These citations may not always be 100% accurate.