APA (7th ed.) Citation

Gould, G., Roberts, J. P. L., & Guertin, G. (1992). Glenn Gould: Selected letters. Oxford University Press.

Chicago Style (17th ed.) Citation

Gould, Glenn, John P. L. Roberts, and Ghyslaine Guertin. Glenn Gould: Selected Letters. Toronto: Oxford University Press, 1992.

MLA (9th ed.) Citation

Gould, Glenn, et al. Glenn Gould: Selected Letters. Oxford University Press, 1992.