Cita APA (7a ed.)

Ritchie, J. (2008). Understanding naturalism. Acumen.

Cita Chicago Style (17a ed.)

Ritchie, Jack. Understanding Naturalism. Stocksfield [England]: Acumen, 2008.

Cita MLA (9a ed.)

Ritchie, Jack. Understanding Naturalism. Acumen, 2008.