Hofmaier, J. (1990). Max Beckmann: Catalogue raisonné of his prints / James Hofmaier. Gallery Kornfeld.
Čikaški stil citiranja (17. izdanje)Hofmaier, James. Max Beckmann: Catalogue Raisonné of His Prints / James Hofmaier. Bern: Gallery Kornfeld, 1990.
MLA način citiranja (8. izdanje)Hofmaier, James. Max Beckmann: Catalogue Raisonné of His Prints / James Hofmaier. Gallery Kornfeld, 1990.
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