APA (7th ed.) Citation

Schechter, R. S. (1967). The variational method in engineering. McGraw-Hill.

Chicago Style (17th ed.) Citation

Schechter, Robert Samuel. The Variational Method in Engineering. New York: McGraw-Hill, 1967.

MLA (9th ed.) Citation

Schechter, Robert Samuel. The Variational Method in Engineering. McGraw-Hill, 1967.