APA (7th ed.) Citation

United States Golf Association, New York Audubon Society, & Harker, D. F. (1993). Landscape restoration handbook. Lewis Publishers.

Chicago Style (17th ed.) Citation

United States Golf Association, New York Audubon Society, and Donald F. Harker. Landscape Restoration Handbook. Boca Raton, Fla.: Lewis Publishers, 1993.

MLA (9th ed.) Citation

United States Golf Association, et al. Landscape Restoration Handbook. Lewis Publishers, 1993.