APA (7th ed.) Citation

Mahler-Werfel, A. M., Mahler, G., & Mahler, G. (1971). Erinnerungen an Gustav Mahler. Propyläen.

Chicago Style (17th ed.) Citation

Mahler-Werfel, Alma Maria, Gustav Mahler, and Gustav Mahler. Erinnerungen an Gustav Mahler. Berlin: Propyläen, 1971.

MLA (9th ed.) Citation

Mahler-Werfel, Alma Maria, et al. Erinnerungen an Gustav Mahler. Propyläen, 1971.