APA (7th ed.) Citation

Toseland, R. W., & Rivas, R. F. (1998). An introduction to group work practice (3rd ed.). Allyn and Bacon.

Chicago Style (17th ed.) Citation

Toseland, Ronald W., and Robert F. Rivas. An Introduction to Group Work Practice. 3rd ed. Boston: Allyn and Bacon, 1998.

MLA (9th ed.) Citation

Toseland, Ronald W., and Robert F. Rivas. An Introduction to Group Work Practice. 3rd ed. Allyn and Bacon, 1998.