APA (7th ed.) Citation

Nimersheim, J. (1991). The first book of modem communications. SAMS.

Chicago Style (17th ed.) Citation

Nimersheim, Jack. The First Book of Modem Communications. Carmel, Ind., USA: SAMS, 1991.

MLA (9th ed.) Citation

Nimersheim, Jack. The First Book of Modem Communications. SAMS, 1991.

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