APA (7th ed.) Citation

Ricardo Leopoldo Schwarcz, Carlos Alberto Duverges, & Ricardo Horacio Fescina. Obstetricia (6a. ed.).

Chicago Style (17th ed.) Citation

Ricardo Leopoldo Schwarcz, Carlos Alberto Duverges, and Ricardo Horacio Fescina. Obstetricia. 6a. ed.

MLA (8th ed.) Citation

Ricardo Leopoldo Schwarcz, et al. Obstetricia. 6a. ed.

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