Cita APA (7th ed.)

Kerr, M. M., & Nelson, C. M. (1989). Strategies for managing behavior problems in the classroom (2nd ed.). Merrill.

Cita Chicago (17th ed.)

Kerr, Mary M., i C. Michael Nelson. Strategies for Managing Behavior Problems in the Classroom. 2nd ed. Columbus: Merrill, 1989.

Cita MLA (9th ed.)

Kerr, Mary M., i C. Michael Nelson. Strategies for Managing Behavior Problems in the Classroom. 2nd ed. Merrill, 1989.