Cita APA (7a ed.)

Levi, P. (1971). Guide to Greece: Central Greece. Penguin Books.

Cita Chicago Style (17a ed.)

Levi, Peter. Guide to Greece: Central Greece. Middlesex: Penguin Books, 1971.

Cita MLA (9a ed.)

Levi, Peter. Guide to Greece: Central Greece. Penguin Books, 1971.