MLA

Panetta, V. J. Hans Leo Hassler and the Keyboard Toccata: Antecedents, Sources, Style. Ann Arbor, MI: UMI Research Press, 1991.

APA

Panetta, V. J. (1991). Hans Leo Hassler and the Keyboard Toccata: Antecedents, Sources, Style. Ann Arbor, MI: UMI Research Press.

Chicago

Panetta, V. J. Hans Leo Hassler and the Keyboard Toccata: Antecedents, Sources, Style. Ann Arbor, MI: UMI Research Press, 1991.