Cita APA (7th ed.)
Rutten, M. G. (1969). The Geology of Western Europe. Elsevier.
Cita Chicago (17th ed.)
Rutten, Martin Gerard. The Geology of Western Europe. Amsterdam: Elsevier, 1969.
Cita MLA (9th ed.)
Rutten, Martin Gerard. The Geology of Western Europe. Elsevier, 1969.
Atenció: Aquestes cites poden no estar 100% correctes.