Cita APA

Tay, J. I., Moore, J., & Walker, J. J. (2000). Ectopic pregnancy. British Medical Journal.

Citación estilo Chicago

Tay, J I., J. Moore, y J J. Walker. Ectopic Pregnancy. British Medical Journal, 2000.

Cita MLA

Tay, J I., J. Moore, y J J. Walker. Ectopic Pregnancy. British Medical Journal, 2000.