APA
Polking J. C., Arnold D. & Boggess A. (2006). Differential equations with boundary value problems. Upper Saddle River, N.J: Pearson/Prentice Hall.
Chicago
Polking John C, Arnold David and Boggess Albert. 2006. Differential equations with boundary value problems. Upper Saddle River, N.J: Pearson/Prentice Hall.
Harvard
Polking J. C., Arnold D. and Boggess A. (2006). Differential equations with boundary value problems. Upper Saddle River, N.J: Pearson/Prentice Hall.
MLA
Polking John C, Arnold David and Boggess Albert. Differential equations with boundary value problems. Upper Saddle River, N.J: Pearson/Prentice Hall. 2006.