Cita APA (7th ed.)

Browing, R. (1971). The ring and the book. Penguin Books.

Cita Chicago (17th ed.)

Browing, Robert. The Ring and the Book. Londres, Inglaterra: Penguin Books, 1971.

Cita MLA (9th ed.)

Browing, Robert. The Ring and the Book. Penguin Books, 1971.