Cita APA

Walker, T., Jelly, R., Heaton-Renshaw, J., Charles, D., Winterton, A., Booth, P., . . . Jones, N. (1990). General practitioner maternity units.

Citación estilo Chicago

Walker, Timothy, Richard Jelly, John Heaton-Renshaw, David Charles, Anthony Winterton, Paul Booth, Mark Howell, y Neil Jones. General Practitioner Maternity Units. 1990.

Cita MLA

Walker, Timothy, et al. General Practitioner Maternity Units. 1990.