MLA

Kollmann, Augustus Frederic Christopher, and Charles Burney. An Essay On Practical Musical Composition: According to the Nature of That Science, and the Principles of the Greatest Musical Authors. 2nd ed. London: Kollmann, 1799.

APA

Kollmann, A. Frederic Christopher, & Burney, C. (1799). An Essay on Practical Musical Composition: According to the Nature of That Science, and the Principles of the Greatest Musical Authors. 2nd ed. London: Kollmann.

Chicago

Kollmann, Augustus Frederic Christopher, and Charles Burney. An Essay On Practical Musical Composition,: According to the Nature of That Science, and the Principles of the Greatest Musical Authors. 2nd ed. London: Kollmann, 1799.