Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

Hartmann, Nicolai, i Eugene Kelly. Aesthetics. Boston: De Gruyter, 2014.

Cita MLA (9th ed.)

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