Cita APA (7th ed.)
Pilkey, O. H. (2010). The world's beaches. University of California Press.
Cita Chicago (17th ed.)
Pilkey, Orrin H. The World's Beaches. Berkeley: University of California Press, 2010.
Cita MLA (9th ed.)
Pilkey, Orrin H. The World's Beaches. University of California Press, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.