Instructor's manual for Introduction to Schenkerian analysis
MLA
Forte, Allen, and Steven E Gilbert. Instructor's Manual for Introduction to Schenkerian Analysis. New York: W.W. Norton & Company, 1982.
APA
Forte, A., & Gilbert, S. E. (1982). Instructor's manual for Introduction to Schenkerian analysis. New York: W.W. Norton & Company.
Chicago
Forte, Allen, and Steven E Gilbert. Instructor's Manual for Introduction to Schenkerian Analysis. New York: W.W. Norton & Company, 1982.