APA (7th ed.) Citation

Redmill, F. J., & Valdar, A. R. (1994). SPC digital telephone exchanges (Rev. ed.). Peregrinus.

Chicago Style (17th ed.) Citation

Redmill, Felix J., and A. R. Valdar. SPC Digital Telephone Exchanges. Rev. ed. London: Peregrinus, 1994.

MLA (9th ed.) Citation

Redmill, Felix J., and A. R. Valdar. SPC Digital Telephone Exchanges. Rev. ed. Peregrinus, 1994.

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