APA (7th ed.) Citation

Levitan, B. M. (1987). Inverse Sturm-Liouville problems (1. ed.). VNU Science Press.

Chicago Style (17th ed.) Citation

Levitan, Boris M. Inverse Sturm-Liouville Problems. 1. ed. Utrecht: VNU Science Press, 1987.

MLA (9th ed.) Citation

Levitan, Boris M. Inverse Sturm-Liouville Problems. 1. ed. VNU Science Press, 1987.