APA (7th ed.) Citation

Doyle, R. E. (1998). Essential skills and strategies in the helping process (2nd ed.). Brooks/Cole.

Chicago Style (17th ed.) Citation

Doyle, Robert E. Essential Skills and Strategies in the Helping Process. 2nd ed. Pacific Grove: Brooks/Cole, 1998.

MLA (9th ed.) Citation

Doyle, Robert E. Essential Skills and Strategies in the Helping Process. 2nd ed. Brooks/Cole, 1998.