APA Citation

Bryden, J. R. 1., & Hughes, D. G. 1. (1969). An index of Gregorian chant. Cambridge, Massachusetts: Harvard University Press.

Chicago Style Citation

Bryden, John Rennie 1913-2001, and David Grattan 1926-2015 Hughes. An Index of Gregorian Chant. Cambridge, Massachusetts: Harvard University Press, 1969.

MLA Citation

Bryden, John Rennie 1913-2001, and David Grattan 1926-2015 Hughes. An Index of Gregorian Chant. Cambridge, Massachusetts: Harvard University Press, 1969.

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