Duncan, F. M. (1948). Wonders of Neptune's kingdom. S. Low, Marston.
Chicago Style (17th ed.) CitationDuncan, F. Martin. Wonders of Neptune's Kingdom. London: S. Low, Marston, 1948.
MLA (8th ed.) CitationDuncan, F. Martin. Wonders of Neptune's Kingdom. S. Low, Marston, 1948.
Warning: These citations may not always be 100% accurate.