Cita APA (7a ed.)

Hartmann, N., & Kelly, E. (2014). Aesthetics. De Gruyter.

Cita Chicago Style (17a ed.)

Hartmann, Nicolai, y Eugene Kelly. Aesthetics. Berlin/Boston: De Gruyter, 2014.

Cita MLA (8a ed.)

Hartmann, Nicolai, y Eugene Kelly. Aesthetics. De Gruyter, 2014.