APA
Morton R. F., Hebel J. R. & McCarter R. J. j. a. (2001). A study guide to epidemiology and biostatistics. Gaithersburg, Maryland: Aspen Publishers, Inc.
Chicago
Morton Richard F, Hebel J Richard and McCarter Robert J jt author. 2001. A study guide to epidemiology and biostatistics. Gaithersburg, Maryland: Aspen Publishers, Inc.
Harvard
Morton R. F., Hebel J. R. and McCarter R. J. j. a. (2001). A study guide to epidemiology and biostatistics. Gaithersburg, Maryland: Aspen Publishers, Inc.
MLA
Morton Richard F, Hebel J Richard and McCarter Robert J jt author. A study guide to epidemiology and biostatistics. Gaithersburg, Maryland: Aspen Publishers, Inc. 2001.