APA (7th ed.) Citation

Landon, H. R., & Radant, p. e. E. (1970). Beethoven. Universal edition A.G.

Chicago Style (17th ed.) Citation

Landon, H.C. Robbins, and picture editor Else Radant. Beethoven. Universal edition A.G, 1970.

MLA (8th ed.) Citation

Landon, H.C. Robbins, and picture editor Else Radant. Beethoven. Universal edition A.G, 1970.