APA (7th ed.) Citation

Preece, W. H., & Sivewright, J. (1887). Telegraphy (6. ed.). Longmans, Green.

Chicago Style (17th ed.) Citation

Preece, William H., and James Sivewright. Telegraphy. 6. ed. London: Longmans, Green, 1887.

MLA (9th ed.) Citation

Preece, William H., and James Sivewright. Telegraphy. 6. ed. Longmans, Green, 1887.