Παραπομπή APA

Jones, E. (1961). The life and work of Sigmund Freud. Penguin books.

Παραπομπή Chicago Style

Jones, E. The Life and Work of Sigmund Freud. Australia: Penguin books, 1961.

Παραπομπή MLA

Jones, E. The Life and Work of Sigmund Freud. Penguin books, 1961.