APA Edition Citation

Cather, W. (1963). O pioneers! / Willa Cather. Hamish Hamilton.

Chicago Edition Citation

Cather, Willa. O Pioneers! / Willa Cather. London: Hamish Hamilton, 1963.

MLA Edition Citation

Cather, Willa. O Pioneers! / Willa Cather. Hamish Hamilton, 1963.

Warning: These citations may not always be 100% accurate.