APA (7th ed.) Citation

Sagan, H. (1963). Boundary and eigenvalue problems in mathematical physics (2. print.). Wiley.

Chicago Style (17th ed.) Citation

Sagan, Hans. Boundary and Eigenvalue Problems in Mathematical Physics. 2. print. New York, NY [u.a.]: Wiley, 1963.

MLA (9th ed.) Citation

Sagan, Hans. Boundary and Eigenvalue Problems in Mathematical Physics. 2. print. Wiley, 1963.

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