APA (7th ed.) Citation

Officer of the British Navy. An essay on signals. By an officer of the British Navy.

Chicago Style (17th ed.) Citation

Officer of the British Navy. An Essay on Signals. By an Officer of the British Navy.

MLA (9th ed.) Citation

Officer of the British Navy. An Essay on Signals. By an Officer of the British Navy.

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