APA (7th ed.) Citation

Byrd, W. 1. o. (1929). Ego sum panis vivus. Chester Music.

Chicago Style (17th ed.) Citation

Byrd, William 1539 or. Ego Sum Panis Vivus. [London, England]: Chester Music, 1929.

MLA (9th ed.) Citation

Byrd, William 1539 or. Ego Sum Panis Vivus. Chester Music, 1929.

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