APA (7th ed.) Citation

Schumann, R., & Reinhard, T. (1989). The singer's Schumann. Pelion Press.

Chicago Style (17th ed.) Citation

Schumann, Robert, and Thilo Reinhard. The Singer's Schumann. New York, NY: Pelion Press, 1989.

MLA (9th ed.) Citation

Schumann, Robert, and Thilo Reinhard. The Singer's Schumann. Pelion Press, 1989.