Princenthal, N. (1999). Robert Mangold: Recent zone paintings : March 18 - April 17, 1999 / PaceWildenstein ; essay Nancy Princenthal. PaceWildenstein.
Čikaški stil citiranja (17. izdanje)Princenthal, Nancy. Robert Mangold: Recent Zone Paintings : March 18 - April 17, 1999 / PaceWildenstein ; Essay Nancy Princenthal. New York: PaceWildenstein, 1999.
MLA način citiranja (8. izdanje)Princenthal, Nancy. Robert Mangold: Recent Zone Paintings : March 18 - April 17, 1999 / PaceWildenstein ; Essay Nancy Princenthal. PaceWildenstein, 1999.
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