Cita APA (7a ed.)

R, A., KJ, L., J, R., P, J., E, A., G, O., & D, M. (2012). Validation and verification of the OPI 2.0 System. Dove Medical Press.

Cita Chicago Style (17a ed.)

R, Abelson, Lane KJ, Rodriguez J, Johnston P, Angjeli E, Ousler G, y Montgomery D. Validation and Verification of the OPI 2.0 System. Dove Medical Press, 2012.

Cita MLA (8a ed.)

R, Abelson, et al. Validation and Verification of the OPI 2.0 System. Dove Medical Press, 2012.