APA (7th ed.) Citation

Steffani, A., Wasner, F., & Drinker, H. S. (1960). O, how often =: (Quanto, quanto) : from Niobe (1688) : for tenor voice, 2 alto recorders, viola da gamba (cello) ad lib. and harpsichord (piano). G. Schirmer.

Chicago Style (17th ed.) Citation

Steffani, Agostino, Franz Wasner, and Henry S. 1880-1965 Drinker. O, How Often =: (Quanto, Quanto) : From Niobe (1688) : For Tenor Voice, 2 Alto Recorders, Viola Da Gamba (cello) Ad Lib. and Harpsichord (piano). New York: G. Schirmer, 1960.

MLA (8th ed.) Citation

Steffani, Agostino, et al. O, How Often =: (Quanto, Quanto) : From Niobe (1688) : For Tenor Voice, 2 Alto Recorders, Viola Da Gamba (cello) Ad Lib. and Harpsichord (piano). G. Schirmer, 1960.