APA Citation

Sagan, H., & Sagan, H. (1961). Boundary and eigenvalue problems in mathematical physics. New York, New York: J. Wiley.

Chicago Style Citation

Sagan, Hans, and Hans Sagan. Boundary and Eigenvalue Problems in Mathematical Physics. New York, New York: J. Wiley, 1961.

MLA Citation

Sagan, Hans, and Hans Sagan. Boundary and Eigenvalue Problems in Mathematical Physics. New York, New York: J. Wiley, 1961.

Warning: These citations may not always be 100% accurate.