Roffman, H. (1998). Pictures of Fred: Howard Roffman. Gmünder.
Cita Chicago (17th ed.)Roffman, Howard. Pictures of Fred: Howard Roffman. Berlin: Gmünder, 1998.
Cita MLA (8th ed.)Roffman, Howard. Pictures of Fred: Howard Roffman. Gmünder, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.