APA aipamena

Willa Cather. (1990). 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, 1990.

MLA aipamena

Willa Cather. Willa Cather. New York: Literary Classics of the United States, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.