Cita APA (7th ed.)
Stewart, N. R., & Winborn, B. B. (1978). Systematic counselling. Prentice-Hall.
Cita Chicago (17th ed.)
Stewart, Norman R., i Bob B. Winborn. Systematic Counselling. Englewood Englewood Cliffs: Prentice-Hall, 1978.
Cita MLA (9th ed.)
Stewart, Norman R., i Bob B. Winborn. Systematic Counselling. Prentice-Hall, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.