APA (7th ed.) Citation

Lucy, N., & Hartley, J. (2016). Semiotics.

Chicago Style (17th ed.) Citation

Lucy, Niall, and John Hartley. Semiotics. 2016.

MLA (9th ed.) Citation

Lucy, Niall, and John Hartley. Semiotics. 2016.

Warning: These citations may not always be 100% accurate.