Kirk, B. A. (1971). Guidelines for university and college counseling services. [s.n.].
Cita Chicago Style (17a ed.)Kirk, Barbara A. Guidelines for University and College Counseling Services. [S.l.]: [s.n.], 1971.
Cita MLA (9a ed.)Kirk, Barbara A. Guidelines for University and College Counseling Services. [s.n.], 1971.
Precaución: Estas citas no son 100% exactas.