APA (7th ed.) Citation

Byrd, W. 1. o. Senex puerum. Chester Music.

Chicago Style (17th ed.) Citation

Byrd, William 1539 or. Senex Puerum. [London, England]: Chester Music.

MLA (9th ed.) Citation

Byrd, William 1539 or. Senex Puerum. Chester Music.

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