APA (7th ed.) Citation

Kehl, R. F., & Kirkland, D. R. (2011). The official guide to Steinway pianos. Amadeus Press.

Chicago Style (17th ed.) Citation

Kehl, Roy F., and David R. Kirkland. The Official Guide to Steinway Pianos. Montclair, NJ: Amadeus Press, 2011.

MLA (9th ed.) Citation

Kehl, Roy F., and David R. Kirkland. The Official Guide to Steinway Pianos. Amadeus Press, 2011.