APA (7th ed.) Citation

Elgar, E., Lyle, A., & Pickard, J. (2008). Elgar complete edition. Novello.

Chicago Style (17th ed.) Citation

Elgar, Edward, Andrew Lyle, and John Pickard. Elgar Complete Edition. Borough Green, Sevenoaks, Kent: Novello, 2008.

MLA (9th ed.) Citation

Elgar, Edward, et al. Elgar Complete Edition. Novello, 2008.