Cita APA (7a ed.)

Hogg, J., Sebba, J., & Lambe, L. (1990). Profound retardation and multiple impairment. Chapman & Hall.

Cita Chicago Style (17a ed.)

Hogg, J., Judy Sebba, y Loretto Lambe. Profound Retardation and Multiple Impairment. London [etc.]: Chapman & Hall, 1990.

Cita MLA (9a ed.)

Hogg, J., et al. Profound Retardation and Multiple Impairment. Chapman & Hall, 1990.