APA (7th ed.) Citation

Lansac, J., Berger, C., Magnin, G., Chazara, C., Erka, C. W., Soutol, J. H., & Jornet Cases, A. (1987). Obstetricia práctica. Masson.

Chicago Style (17th ed.) Citation

Lansac, Jacques, Christian Berger, Guillaume Magnin, Ch Chazara, Ch. Welffens Erka, J. H. Soutol, and A. Jornet Cases. Obstetricia Práctica. Barcelona [etc.]: Masson, 1987.

MLA (9th ed.) Citation

Lansac, Jacques, et al. Obstetricia Práctica. Masson, 1987.