APA-referens (7:e uppl.)

Plantinga, L. B. (1967). Schumann as critic. Yale University Press.

Chicago-referens (17:e uppl.)

Plantinga, Leon B. Schumann as Critic. New Haven: Yale University Press, 1967.

MLA-referens (9:e uppl.)

Plantinga, Leon B. Schumann as Critic. Yale University Press, 1967.