APA

Freud (Sigmund), . (1974). Freud/Jung Letters. : .

Chicago

Freud (Sigmund), . 1974. Freud/Jung Letters. : .

Harvard

Freud (Sigmund), . (1974). Freud/Jung Letters. : .

MLA

Freud (Sigmund), . Freud/Jung Letters. : . 1974.