APA (7th ed.) Citation

Sebeok, T. A. (1990). Essays in zoosemiotics. Toronto Semiotic Circle.

Chicago Style (17th ed.) Citation

Sebeok, Thomas A. Essays in Zoosemiotics. Toronto: Toronto Semiotic Circle, 1990.

MLA (9th ed.) Citation

Sebeok, Thomas A. Essays in Zoosemiotics. Toronto Semiotic Circle, 1990.