APA (7th ed.) Citation

Frutiger, A., Besset, M., Ruder, E., & Schneebeli, H. R. (1980). Type, sign, symbol. ABC Edition.

Chicago Style (17th ed.) Citation

Frutiger, Adrian, Maurice Besset, Emil Ruder, and Hans Rudolf Schneebeli. Type, Sign, Symbol. Zurich: ABC Edition, 1980.

MLA (9th ed.) Citation

Frutiger, Adrian, et al. Type, Sign, Symbol. ABC Edition, 1980.