APA (7th ed.) Citation

Dunn, R. (2012). Scoping longitude: Optical designs for navigation at sea.

Chicago Style (17th ed.) Citation

Dunn, Richard. Scoping Longitude: Optical Designs for Navigation at Sea. 2012.

MLA (9th ed.) Citation

Dunn, Richard. Scoping Longitude: Optical Designs for Navigation at Sea. 2012.

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