Alfred Deller,

MLA

Hardwick, Michael, and Mollie Hardwick. Alfred Deller. London: Proteus, 1980.

APA

Hardwick, M.Hardwick, M. (1980). Alfred Deller. London: Proteus.

Chicago

Hardwick, Michael, Michael Hardwick, and Mollie Hardwick. Alfred Deller. London: Proteus, 1980.