Cita APA (7th ed.)

Pfeiffer, W., Bovier, L., Trembley, N., & Lischka, G. J. (2004). Walter Pfeiffer (1970-1980). Ringier.

Cita Chicago (17th ed.)

Pfeiffer, Walter, Lionel Bovier, Nicolas Trembley, i Gerhard Johann Lischka. Walter Pfeiffer (1970-1980). Zürich: Ringier, 2004.

Cita MLA (8th ed.)

Pfeiffer, Walter, et al. Walter Pfeiffer (1970-1980). Ringier, 2004.