APA (7th ed.) Citation

Golf Course Superintendents Association of America & Schumann, G. L. (1998). IPM handbook for golf courses. Ann Arbor Press.

Chicago Style (17th ed.) Citation

Golf Course Superintendents Association of America and Gail L. Schumann. IPM Handbook for Golf Courses. Chelsea, Mich.: Ann Arbor Press, 1998.

MLA (9th ed.) Citation

Golf Course Superintendents Association of America and Gail L. Schumann. IPM Handbook for Golf Courses. Ann Arbor Press, 1998.