APA (7th ed.) Citation

Zou, W., & Schechter, M. Critical point theory and its applications.

Chicago Style (17th ed.) Citation

Zou, Wenming, and Martin Schechter. Critical Point Theory and Its Applications.

MLA (8th ed.) Citation

Zou, Wenming, and Martin Schechter. Critical Point Theory and Its Applications.

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