APA
Wan F. Y. M., . (1995). Introduction to the calculus of variations and its applications. London: Chapman & Hall.
Chicago
Wan Frederic Y M, . 1995. Introduction to the calculus of variations and its applications. London: Chapman & Hall.
Harvard
Wan F. Y. M., . (1995). Introduction to the calculus of variations and its applications. London: Chapman & Hall.
MLA
Wan Frederic Y M, . Introduction to the calculus of variations and its applications. London: Chapman & Hall. 1995.