APA (7th ed.) Citation

Biswas, N. N. (1964). Principles of telegraphy. Media promoters & Publishers.

Chicago Style (17th ed.) Citation

Biswas, Nripendra N. Principles of Telegraphy. New Delhi: Media promoters & Publishers, 1964.

MLA (9th ed.) Citation

Biswas, Nripendra N. Principles of Telegraphy. Media promoters & Publishers, 1964.