APA (7th ed.) Citation

Chapuis, R. J. 100 years of telephone switching: 1878 - 1978. North-Holland Publ. Co.

Chicago Style (17th ed.) Citation

Chapuis, Robert J. 100 Years of Telephone Switching: 1878 - 1978. Amsterdam [u.a.]: North-Holland Publ. Co.

MLA (9th ed.) Citation

Chapuis, Robert J. 100 Years of Telephone Switching: 1878 - 1978. North-Holland Publ. Co.

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