Boyce, W. E. (1969). Elementary differential equations and boundary value problems (2. ed.). Wiley.
Chicago Style (17th ed.) CitationBoyce, William E. Elementary Differential Equations and Boundary Value Problems. 2. ed. New York [u.a.]: Wiley, 1969.
MLA (9th ed.) CitationBoyce, William E. Elementary Differential Equations and Boundary Value Problems. 2. ed. Wiley, 1969.
Warning: These citations may not always be 100% accurate.