Cita APA

Seaton, S. E., King, S., Manktelow, B. N., Draper, E. S., & Field, D. J. (2013). Babies born at the threshold of viability: Changes in survival and workload over 20 years. BMJ Group.

Citación estilo Chicago

Seaton, Sarah E., Sophie King, Bradley N. Manktelow, Elizabeth S. Draper, y David J. Field. Babies Born At the Threshold of Viability: Changes in Survival and Workload Over 20 Years. BMJ Group, 2013.

Cita MLA

Seaton, Sarah E., et al. Babies Born At the Threshold of Viability: Changes in Survival and Workload Over 20 Years. BMJ Group, 2013.