Cita APA (7th ed.)
Hillen, T., Leonard, I. E., & Van Roessel, H. (2012). Partial differential equations: Theory and completely solved problems. Wiley.
Cita Chicago (17th ed.)
Hillen, Thomas, I. Ed Leonard, i Henry Van Roessel. Partial Differential Equations: Theory and Completely Solved Problems. Hoboken, New Jersey: Wiley, 2012.
Cita MLA (9th ed.)
Hillen, Thomas, et al. Partial Differential Equations: Theory and Completely Solved Problems. Wiley, 2012.
Atenció: Aquestes cites poden no estar 100% correctes.