APA (7th ed.) Citation

Mahler, G., Harper, H., & Maazel, L. (1971). Symphony no. 4. Nonesuch Records.

Chicago Style (17th ed.) Citation

Mahler, Gustav, Heather Harper, and Lorin Maazel. Symphony No. 4. New York, NY: Nonesuch Records, 1971.

MLA (9th ed.) Citation

Mahler, Gustav, et al. Symphony No. 4. Nonesuch Records, 1971.