Cita APA (7th ed.)

Frost, A. A. (1989). Ernst Dronke: His life and his works. Lang.

Cita Chicago (17th ed.)

Frost, Alphonso A. Ernst Dronke: His Life and His Works. New York [u.a.]: Lang, 1989.

Cita MLA (8th ed.)

Frost, Alphonso A. Ernst Dronke: His Life and His Works. Lang, 1989.