APA

De Gascun C. F., Waters A., Regan C. M., O'Halloran J., Farrell G., Coughlan S., Bergin C., Powderly W. G. & Hall W. W. (20121227). Human immunodeficiency virus type 1 in Ireland: phylogenetic evidence for risk group-specific subepidemics. : AIDS research and human retroviruses.

Chicago

De Gascun Cillian F, Waters Allison, Regan Ciara M, O'Halloran Jane, Farrell Gillian, Coughlan Suzie, Bergin Colm, Powderly William G and Hall William W. 20121227. Human immunodeficiency virus type 1 in Ireland: phylogenetic evidence for risk group-specific subepidemics. : AIDS research and human retroviruses.

Harvard

De Gascun C. F., Waters A., Regan C. M., O'Halloran J., Farrell G., Coughlan S., Bergin C., Powderly W. G. and Hall W. W. (20121227). Human immunodeficiency virus type 1 in Ireland: phylogenetic evidence for risk group-specific subepidemics. : AIDS research and human retroviruses.

MLA

De Gascun Cillian F, Waters Allison, Regan Ciara M, O'Halloran Jane, Farrell Gillian, Coughlan Suzie, Bergin Colm, Powderly William G and Hall William W. Human immunodeficiency virus type 1 in Ireland: phylogenetic evidence for risk group-specific subepidemics. : AIDS research and human retroviruses. 20121227.