APA (7th ed.) Citation

Holmboe, V., & Holmboe, V. String quartets.

Chicago Style (17th ed.) Citation

Holmboe, Vagn, and Vagn Holmboe. String Quartets.

MLA (9th ed.) Citation

Holmboe, Vagn, and Vagn Holmboe. String Quartets.

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