MLA

Leach, Elizabeth Eva. Sung Birds: Music, Nature, and Poetry In the Later Middle Ages. London: Cornell University, 2007.

APA

Leach, E. Eva. (2007). Sung Birds: Music, Nature, and Poetry in the Later Middle Ages. London: Cornell University.

Chicago

Leach, Elizabeth Eva Sung Birds: Music, Nature, and Poetry In the Later Middle Ages. London: Cornell University, 2007.