Cita APA (7th ed.)

Hansen, J. C., Himes, B. S., & Meier, S. T. (1990). Consultation: Concepts and practices. Prentice Hall.

Cita Chicago (17th ed.)

Hansen, James C., Bonna Sue Himes, i Scott T. Meier. Consultation: Concepts and Practices. Englewood Cliffs, N.J: Prentice Hall, 1990.

Cita MLA (9th ed.)

Hansen, James C., et al. Consultation: Concepts and Practices. Prentice Hall, 1990.