APA Style
Popov, E, P., Balan, T, A. (1998).
Engineering mechanics of solids (2nd ed).
Upper Saddler River, N.J:
Prentice Hall.
MLA Style
Popov, E, P., Balan, Toader, A.
"Engineering mechanics of solids".
2nd ed
Upper Saddler River, N.J:
Prentice Hall,
1998.
Books.