APA (7th ed.) Citation

Mercês, A., Estevens, A., Barradas, A., Barra, A., Baptista, F., & Soares, F. (2012). A retrospective study of B19 positive antigen blood donations.

Chicago Style (17th ed.) Citation

Mercês, A., A. Estevens, A. Barradas, A. Barra, F. Baptista, and F. Soares. A Retrospective Study of B19 Positive Antigen Blood Donations. 2012.

MLA (8th ed.) Citation

Mercês, A., et al. A Retrospective Study of B19 Positive Antigen Blood Donations. 2012.