APA (7th ed.) Citation

Bocker, P. (1988). ISDN: The integrated services digital networks. Springer.

Chicago Style (17th ed.) Citation

Bocker, Peter. ISDN: The Integrated Services Digital Networks. Berlin u.a: Springer, 1988.

MLA (9th ed.) Citation

Bocker, Peter. ISDN: The Integrated Services Digital Networks. Springer, 1988.