एपीए उद्धरण

Atkins, W. C. (1960). History of spain and portugal. Penguin books.

शिकागो स्टाइल उद्धरण

Atkins, William C. History of Spain and Portugal. Harmondsworth: Penguin books, 1960.

एमएलए उद्धरण

Atkins, William C. History of Spain and Portugal. Penguin books, 1960.