Cita APA (7th ed.)

O'Neil, P. V. (2008). Beginning partial differential equations (2nd ed.). Wiley-Interscience.

Cita Chicago (17th ed.)

O'Neil, Peter V. Beginning Partial Differential Equations. 2nd ed. Hoboken, N.J: Wiley-Interscience, 2008.

Cita MLA (9th ed.)

O'Neil, Peter V. Beginning Partial Differential Equations. 2nd ed. Wiley-Interscience, 2008.