APA (7th ed.) Citation

Mahler, G., Stückgold, G., Schey, H., Mengelberg, W., Walter, B., & Scherchen, H. Gustav Mahler.

Chicago Style (17th ed.) Citation

Mahler, Gustav, Grete Stückgold, Hermann Schey, Willem Mengelberg, Bruno Walter, and Hermann Scherchen. Gustav Mahler.

MLA (9th ed.) Citation

Mahler, Gustav, et al. Gustav Mahler.