Frost. (1981). Practical navigation for second mates: Including chartwork to cover the practical navigation and chartwork papers for D.O.T. certificates Class V, Class IV and Class III (5th ed.). Brown, Son & Ferguson.
Chicago Style (17th ed.) CitationFrost. Practical Navigation for Second Mates: Including Chartwork to Cover the Practical Navigation and Chartwork Papers for D.O.T. Certificates Class V, Class IV and Class III. 5th ed. Glasgow: Brown, Son & Ferguson, 1981.
MLA (8th ed.) CitationFrost. Practical Navigation for Second Mates: Including Chartwork to Cover the Practical Navigation and Chartwork Papers for D.O.T. Certificates Class V, Class IV and Class III. 5th ed. Brown, Son & Ferguson, 1981.
Warning: These citations may not always be 100% accurate.