Seymour, W., Gilbert, J., & Holland, J. (1973). Eastern islands, southern seas. Aldus Books.
Cita Chicago (17th ed.)Seymour, William, John Gilbert, i Julian Holland. Eastern Islands, Southern Seas. London: Aldus Books, 1973.
Cita MLA (9th ed.)Seymour, William, et al. Eastern Islands, Southern Seas. Aldus Books, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.