Cita APA (7a ed.)

Grisham, J., & Tremps, E. (1993). La tapadera = (The firm). Planeta.

Cita Chicago Style (17a ed.)

Grisham, John, y Enric Tremps. La Tapadera = (The Firm). Barcelona: Planeta, 1993.

Cita MLA (9a ed.)

Grisham, John, y Enric Tremps. La Tapadera = (The Firm). Planeta, 1993.