APA (7th ed.) Citation

Mozart, W. A., Jacob, G., & Bonavia, F. (1952). Symphony no. 39 in E flat. Penguin Books.

Chicago Style (17th ed.) Citation

Mozart, Wolfgang Amadeus, Gordon Jacob, and Ferruccio Bonavia. Symphony No. 39 in E Flat. Harmondsworth, Middlesex: Penguin Books, 1952.

MLA (9th ed.) Citation

Mozart, Wolfgang Amadeus, et al. Symphony No. 39 in E Flat. Penguin Books, 1952.