APA (7th ed.) Citation

Mahler, G., & Gardelli, L. (1976). Kindertotenlieder. [Selbstverlag Gardelli?].

Chicago Style (17th ed.) Citation

Mahler, Gustav, and Lamberto Gardelli. Kindertotenlieder. [Budapest?]: [Selbstverlag Gardelli?], 1976.

MLA (9th ed.) Citation

Mahler, Gustav, and Lamberto Gardelli. Kindertotenlieder. [Selbstverlag Gardelli?], 1976.

Warning: These citations may not always be 100% accurate.