APA (7th ed.) Citation

Anderson, G. E., & Frost, R. S. (1991). All for strings: Comprehensive string method. Kjos Music Comp.

Chicago Style (17th ed.) Citation

Anderson, Gerald E., and Robert S. Frost. All for Strings: Comprehensive String Method. San Diego, Calif: Kjos Music Comp, 1991.

MLA (9th ed.) Citation

Anderson, Gerald E., and Robert S. Frost. All for Strings: Comprehensive String Method. Kjos Music Comp, 1991.