Nielsen, C., Naegele, P., & Johansson, J. (1991). The four string quartets. Grammofon.
Chicago Style (17th ed.) CitationNielsen, Carl, Philipp Naegele, and Jan Johansson. The Four String Quartets. Djursholm: Grammofon, 1991.
MLA (9th ed.) CitationNielsen, Carl, et al. The Four String Quartets. Grammofon, 1991.
Warning: These citations may not always be 100% accurate.