APA (7th ed.) Citation

Mahler, G., Hampson, T., & Parsons, G. (1993). Trost im Unglück.

Chicago Style (17th ed.) Citation

Mahler, Gustav, Thomas Hampson, and Geoffrey Parsons. Trost Im Unglück. 1993.

MLA (9th ed.) Citation

Mahler, Gustav, et al. Trost Im Unglück. 1993.