APA Style

Langley, Graham. (1986). telephony's DICTIONARY: Defining 16,000 words and terms, Second Edition (2nd). USA: Telephony Publishing Corp..

Chicago Style

Langley, Graham. telephony's DICTIONARY: Defining 16,000 words and terms, Second Edition. 2nd USA: Telephony Publishing Corp., 1986. Text.

MLA Style

Langley, Graham. telephony's DICTIONARY: Defining 16,000 words and terms, Second Edition. 2nd USA: Telephony Publishing Corp., 1986. Text.

Turabian Style

Langley, Graham. telephony's DICTIONARY: Defining 16,000 words and terms, Second Edition. 2nd USA: Telephony Publishing Corp., 1986. Print.