APA
Zill D. G., Wright W. S. & Knickerbocker C. (1995). Manual for differential equations with computer lab experiments. Boston, Mass: PWS Pub. Co.
Chicago
Zill Dennis G, Wright Warren S and Knickerbocker C.J. 1995. Manual for differential equations with computer lab experiments. Boston, Mass: PWS Pub. Co.
Harvard
Zill D. G., Wright W. S. and Knickerbocker C. (1995). Manual for differential equations with computer lab experiments. Boston, Mass: PWS Pub. Co.
MLA
Zill Dennis G, Wright Warren S and Knickerbocker C.J. Manual for differential equations with computer lab experiments. Boston, Mass: PWS Pub. Co. 1995.