Cita APA (7a ed.)
Porter, E. (1950). An introduction to therapeutic counseling. Houghton Mifflin.
Cita Chicago Style (17a ed.)
Porter, E.H. An Introduction to Therapeutic Counseling. Boston: Houghton Mifflin, 1950.
Cita MLA (9a ed.)
Porter, E.H. An Introduction to Therapeutic Counseling. Houghton Mifflin, 1950.
Precaución: Estas citas no son 100% exactas.