APA (7th ed.) Citation

Elgar, E. (1985). Variations on an original theme: Enigma : for orchestra op. 36. E. Eulenburg.

Chicago Style (17th ed.) Citation

Elgar, Edward. Variations on an Original Theme: Enigma : For Orchestra Op. 36. London ; New York: E. Eulenburg, 1985.

MLA (9th ed.) Citation

Elgar, Edward. Variations on an Original Theme: Enigma : For Orchestra Op. 36. E. Eulenburg, 1985.