Cita APA (7a ed.)

GRAVES, R. (1957). English and scottish ballads. Heinemann.

Cita Chicago Style (17a ed.)

GRAVES, Robert. English and Scottish Ballads. London: Heinemann, 1957.

Cita MLA (9a ed.)

GRAVES, Robert. English and Scottish Ballads. Heinemann, 1957.

Precaución: Estas citas no son 100% exactas.