APA (7th ed.) Citation

Beyer, F., & Donizetti, G. Variations, pf, op. 68/2, C-Dur - BSB Mus.Schott.Ha 7226-2: [heading, p.1:] No [crossed out: "4" and changed into:]2., Variations. [space] Ferd: Beyer op. 6[crossed out: "7" and changed into:]8 No [crossed out: "4" and changed into:]2.

Chicago Style (17th ed.) Citation

Beyer, Ferdinand, and Gaetano Donizetti. Variations, Pf, Op. 68/2, C-Dur - BSB Mus.Schott.Ha 7226-2: [heading, P.1:] No [crossed Out: "4" and Changed Into:]2., Variations. [space] Ferd: Beyer Op. 6[crossed Out: "7" and Changed Into:]8 No [crossed Out: "4" and Changed Into:]2.

MLA (9th ed.) Citation

Beyer, Ferdinand, and Gaetano Donizetti. Variations, Pf, Op. 68/2, C-Dur - BSB Mus.Schott.Ha 7226-2: [heading, P.1:] No [crossed Out: "4" and Changed Into:]2., Variations. [space] Ferd: Beyer Op. 6[crossed Out: "7" and Changed Into:]8 No [crossed Out: "4" and Changed Into:]2.