Cita APA (7th ed.)
Joly, J. (1930). The Surface-History of the Earth: 2. ed. Clarendon Pr.
Cita Chicago (17th ed.)
Joly, John. The Surface-History of the Earth: 2. Ed. Oxford: Clarendon Pr, 1930.
Cita MLA (9th ed.)
Joly, John. The Surface-History of the Earth: 2. Ed. Clarendon Pr, 1930.
Atenció: Aquestes cites poden no estar 100% correctes.