एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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