APA (7th ed.) Citation

Smith, R. A. (1948). Radio aids to navigation. University Press; Macmillan Co..

Chicago Style (17th ed.) Citation

Smith, R. A. Radio Aids to Navigation. Cambridge [England] : New York: University Press; Macmillan Co., 1948.

MLA (9th ed.) Citation

Smith, R. A. Radio Aids to Navigation. University Press; Macmillan Co., 1948.

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