Cita APA

Singer, E. (1970). Key concepts in psychotherapy (2nd ed.). Basic books.

Citación estilo Chicago

Singer, Erwin. Key Concepts in Psychotherapy. 2nd ed. New York: Basic books, 1970.

Cita MLA

Singer, Erwin. Key Concepts in Psychotherapy. 2nd ed. Basic books, 1970.

Warning: These citations may not always be 100% accurate.