Cita APA (7a ed.)

Fordham, F. (1954). An introduction to Jung's psychology. Penguin Books.

Cita Chicago Style (17a ed.)

Fordham, Frieda. An Introduction to Jung's Psychology. London: Penguin Books, 1954.

Cita MLA (9a ed.)

Fordham, Frieda. An Introduction to Jung's Psychology. Penguin Books, 1954.