Merkert, J. (1990). George Rickey: Sculptures 1955-1990.
Cita Chicago (17th ed.)Merkert, Jörn. George Rickey: Sculptures 1955-1990. Paris, 1990.
Cita MLA (8th ed.)Merkert, Jörn. George Rickey: Sculptures 1955-1990. 1990.
Atenció: Aquestes cites poden no estar 100% correctes.