Cita APA (7th ed.)

Hartley, C. (2004). Lucian Freud: Etchings 1946-2004.

Cita Chicago (17th ed.)

Hartley, Craig. Lucian Freud: Etchings 1946-2004. Edinburgh [u.a.], 2004.

Cita MLA (8th ed.)

Hartley, Craig. Lucian Freud: Etchings 1946-2004. 2004.

Atenció: Aquestes cites poden no estar 100% correctes.