Cita APA

Gifford, R., Katzourakis, A., Belshaw, R., & Nixon, D. (2009). Paleovirology of human endogenous retroviruses.

Citación estilo Chicago

Gifford, R., A. Katzourakis, R. Belshaw, and D. Nixon. Paleovirology of Human Endogenous Retroviruses. 2009.

Cita MLA

Gifford, R., et al. Paleovirology of Human Endogenous Retroviruses. 2009.