Schmithals, H., & Wichmann, S. (1968). Hans Schmithals: [München, April - Mai 1968] / Galleria del Levante; [Text: Sigfried Wichmann].
Cita Chicago (17th ed.)Schmithals, Hans, i Siegfried Wichmann. Hans Schmithals: [München, April - Mai 1968] / Galleria Del Levante; [Text: Sigfried Wichmann]. München [u.a.], 1968.
Cita MLA (8th ed.)Schmithals, Hans, i Siegfried Wichmann. Hans Schmithals: [München, April - Mai 1968] / Galleria Del Levante; [Text: Sigfried Wichmann]. 1968.
Atenció: Aquestes cites poden no estar 100% correctes.