Cita APA (7th ed.)

Liungman, C. G. (2004). Symbols: Encyclopedia of Western signs and ideograms. HME Publ..

Cita Chicago (17th ed.)

Liungman, Carl G. Symbols: Encyclopedia of Western Signs and Ideograms. Stockholm: HME Publ., 2004.

Cita MLA (8th ed.)

Liungman, Carl G. Symbols: Encyclopedia of Western Signs and Ideograms. HME Publ., 2004.