APA (7th ed.) Citation

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

Chicago Style (17th ed.) Citation

Kehl, Roy F. The Official Guide to Steinway Pianos. Milwaukee: Amadeus Press, 2011.

MLA (9th ed.) Citation

Kehl, Roy F. The Official Guide to Steinway Pianos. Amadeus Press, 2011.