APA (7th ed.) Citation

(2009). A pooled analysis of continued prophylactic efficacy of quadrivalent human papillomavirus (types 6/11/16/18) vaccine against high-grade cervical and external genital lesions.

Chicago Style (17th ed.) Citation

A Pooled Analysis of Continued Prophylactic Efficacy of Quadrivalent Human Papillomavirus (types 6/11/16/18) Vaccine Against High-grade Cervical and External Genital Lesions. 2009.

MLA (8th ed.) Citation

A Pooled Analysis of Continued Prophylactic Efficacy of Quadrivalent Human Papillomavirus (types 6/11/16/18) Vaccine Against High-grade Cervical and External Genital Lesions. 2009.

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