APA aipamena

Willa Cather. (1987). Willa Cather. New York: Literary Classics of the United States.

Chicago Style aipamena

Willa Cather. Willa Cather. New York: Literary Classics of the United States, 1987.

MLA aipamena

Willa Cather. Willa Cather. New York: Literary Classics of the United States, 1987.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.