Cita APA (7th ed.)

Tress, A., & Yves Navarre. (1980). Facing up: Arthur Tress. [Preface: Yves Navarre]. Letu [u.a.].

Cita Chicago (17th ed.)

Tress, Arthur, i Yves Navarre. Facing Up: Arthur Tress. [Preface: Yves Navarre]. Genf [u.a.]: Letu [u.a.], 1980.

Cita MLA (8th ed.)

Tress, Arthur, i Yves Navarre. Facing Up: Arthur Tress. [Preface: Yves Navarre]. Letu [u.a.], 1980.