MLA

Vittinghoff, Eric, et al. Regression Methods In Biostatistics. Dordrecht: Springer US, 2012.

APA

Vittinghoff, E., Glidden, D. V, McCulloch, C. E, & Shiboski, S. C. (2012). Regression Methods in Biostatistics. Dordrecht: Springer US.

Chicago

Vittinghoff, Eric, David V Glidden, Charles E McCulloch, and Stephen C Shiboski. Regression Methods In Biostatistics. Dordrecht: Springer US, 2012.