Style de citation APA

Herrera León, L., & Martínez Barreiro, L. A. (2009). The multiple pregnancy: Is it really a factor of high obstetric risk?

Style de citation Chicago

Herrera León, Lorenzo, et Luis Armando Martínez Barreiro. The Multiple Pregnancy: Is It Really a Factor of High Obstetric Risk? 2009.

Style de citation MLA

Herrera León, Lorenzo, et Luis Armando Martínez Barreiro. The Multiple Pregnancy: Is It Really a Factor of High Obstetric Risk? 2009.

Attention : ces citations peuvent ne pas être correctes à 100%.