APA (7th ed.) Citation

Willis, E. J. (1921). The mathematics of navigation. Fergusson.

Chicago Style (17th ed.) Citation

Willis, Edward J. The Mathematics of Navigation. Richmond, VA: Fergusson, 1921.

MLA (9th ed.) Citation

Willis, Edward J. The Mathematics of Navigation. Fergusson, 1921.

Warning: These citations may not always be 100% accurate.