Cita APA

Effer, S. B., Saigal, S., Rand, C., Hunter, D. J., Stoskopf, B., Harper, A. C., . . . Milner, R. (1983). Spontaneous preterm labour and delivery at under 34 weeks' gestation.

Citación estilo Chicago

Effer, S B., S. Saigal, C. Rand, D J. Hunter, B. Stoskopf, A C. Harper, C. Nimrod, y R. Milner. Spontaneous Preterm Labour and Delivery At Under 34 Weeks' Gestation. 1983.

Cita MLA

Effer, S B., et al. Spontaneous Preterm Labour and Delivery At Under 34 Weeks' Gestation. 1983.