APA (7th ed.) Citation

Barthes, R., & Howard, R. (1982). Empire of signs. Noonday.

Chicago Style (17th ed.) Citation

Barthes, Roland, and Richard Howard. Empire of Signs. New York: Noonday, 1982.

MLA (9th ed.) Citation

Barthes, Roland, and Richard Howard. Empire of Signs. Noonday, 1982.