Cita APA (7a ed.)

O'Brien, K., Forrest, W., Lynott, D., & Daly, M. (2013). Racism, gun ownership and gun control: Biased attitudes in US whites may influence policy decisions. Public Library of Science (PLoS).

Cita Chicago Style (17a ed.)

O'Brien, Kerry, Walter Forrest, Dermot Lynott, y Michael Daly. Racism, Gun Ownership and Gun Control: Biased Attitudes in US Whites May Influence Policy Decisions. Public Library of Science (PLoS), 2013.

Cita MLA (8a ed.)

O'Brien, Kerry, et al. Racism, Gun Ownership and Gun Control: Biased Attitudes in US Whites May Influence Policy Decisions. Public Library of Science (PLoS), 2013.