Cita APA

(2007). Human papillomavirus vaccine for children and adolescents. Pulsus Group Inc.

Citación estilo Chicago

Human Papillomavirus Vaccine for Children and Adolescents. Pulsus Group Inc, 2007.

Cita MLA

Human Papillomavirus Vaccine for Children and Adolescents. Pulsus Group Inc, 2007.

Precaución: Estas citas no son 100% exactas.