APA Style
G, S, G, F, &, K, S. (2017).
Differential equations : theroy,techniques and practice .
New Delhi:
Tata Mcgrawhill.
MLA Style
G, Simmons, George, F, &, Krantz, Steven.
"Differential equations : theroy,techniques and practice".
New Delhi:
Tata Mcgrawhill,
2017.
.