APA

Cleves M. A., Gould W. W., Gutiérrez R. G. & Marchenko Y. U. (2008). An introduction to survival analysis using stata. Washington: Stata Press Publication.

Chicago

Cleves Mario A, Gould William W, Gutiérrez Roberto G and Marchenko Yulia U. 2008. An introduction to survival analysis using stata. Washington: Stata Press Publication.

Harvard

Cleves M. A., Gould W. W., Gutiérrez R. G. and Marchenko Y. U. (2008). An introduction to survival analysis using stata. Washington: Stata Press Publication.

MLA

Cleves Mario A, Gould William W, Gutiérrez Roberto G and Marchenko Yulia U. An introduction to survival analysis using stata. Washington: Stata Press Publication. 2008.