APA (7th ed.) Citation

Zettl, A. (2021). Recent Developments in Sturm-Liouville Theory. De Gruyter.

Chicago Style (17th ed.) Citation

Zettl, Anton. Recent Developments in Sturm-Liouville Theory. Berlin ; Boston: De Gruyter, 2021.

MLA (8th ed.) Citation

Zettl, Anton. Recent Developments in Sturm-Liouville Theory. De Gruyter, 2021.

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