MLA

Freud, Sigmund, Thomas Graftdijk, and Wilfred Oranje. De Droomduiding. Meppel: Boom, 1987.

APA

Freud, S., Graftdijk, T., & Oranje, W. (1987). De droomduiding. Meppel: Boom.

Chicago

Freud, Sigmund, Thomas Graftdijk, and Wilfred Oranje. De Droomduiding. Meppel: Boom, 1987.