Collected works.
Edited by John D. Bergsagel.

APA Citation

Ludford, N., Bergsagel, J. (1963). Collected works. [n.p.]: American Institute of Musicology.

MLA Citation

Ludford, Nicholas, ca. 1485-ca. 1557, and John Bergsagel. Collected Works. [n.p.]: American Institute of Musicology, 1963.

Warning: These citations may not always be complete (especially for serials).