APA Citation

Clayton, S. G., & Newton, J. R. (1981). Obstetricia. Barcelona: Salvat.

Chicago Style Citation

Clayton, Stanley G., and John R. Newton. Obstetricia. Barcelona: Salvat, 1981.

MLA Citation

Clayton, Stanley G., and John R. Newton. Obstetricia. Barcelona: Salvat, 1981.

Warning: These citations may not always be 100% accurate.