APA (7th ed.) Citation

Holbrook, D. (1975). Gustav Mahler and the courage to be / by David Holbrook. Vision Press.

Chicago Style (17th ed.) Citation

Holbrook, David. Gustav Mahler and the Courage to Be / by David Holbrook. London: Vision Press, 1975.

MLA (9th ed.) Citation

Holbrook, David. Gustav Mahler and the Courage to Be / by David Holbrook. Vision Press, 1975.

Warning: These citations may not always be 100% accurate.