APA (7th ed.) Citation

Gurr, T. R. (1980). Some characteristics of contemporary political terrorism. [publisher not identified].

Chicago Style (17th ed.) Citation

Gurr, Ted Robert. Some Characteristics of Contemporary Political Terrorism. [Place of publication not identified]: [publisher not identified], 1980.

MLA (9th ed.) Citation

Gurr, Ted Robert. Some Characteristics of Contemporary Political Terrorism. [publisher not identified], 1980.