Cita APA (7th ed.)
Frost, A. (2016). Practical navigation for officers of the watch (2nd ed.). Glasgow/ Brown son & Ferguson.
Cita Chicago (17th ed.)
Frost, A. Practical Navigation for Officers of the Watch. 2nd ed. Great Britain: Glasgow/ Brown son & Ferguson, 2016.
Cita MLA (9th ed.)
Frost, A. Practical Navigation for Officers of the Watch. 2nd ed. Glasgow/ Brown son & Ferguson, 2016.
Atenció: Aquestes cites poden no estar 100% correctes.