Citazione Stile APA (7a Edizione)

Haarmann, H. The development of sign conceptions in the evolution of human cultures: Harald Haarmann. [Semiotik, 1].(1997).

Citazione stile Chigago Style (17a edizione)

Haarmann, Harald. "The Development of Sign Conceptions in the Evolution of Human Cultures: Harald Haarmann." [Semiotik, 1].(1997) .

Citatione MLA (8a ed.)

Haarmann, Harald. "The Development of Sign Conceptions in the Evolution of Human Cultures: Harald Haarmann." [Semiotik, 1].(1997), .