Cita APA (7a ed.)

Herdeg, W. (1977). Packaging: An international survey of package design. Graphis.

Cita Chicago Style (17a ed.)

Herdeg, Walter. Packaging: An International Survey of Package Design. Zurich: Graphis, 1977.

Cita MLA (9a ed.)

Herdeg, Walter. Packaging: An International Survey of Package Design. Graphis, 1977.