Roberts, R. (1976). Musical instruments, made to be played / (by) Ronald Roberts (6th ed.). Dryad Press.
Chicago Style (17th ed.) CitationRoberts, Ronald. Musical Instruments, Made to Be Played / (by) Ronald Roberts. 6th ed. Leicester: Dryad Press, 1976.
MLA (9th ed.) CitationRoberts, Ronald. Musical Instruments, Made to Be Played / (by) Ronald Roberts. 6th ed. Dryad Press, 1976.
Warning: These citations may not always be 100% accurate.