APA (7th ed.) Citation

Lenssen, N. K. (1991). Nuclear waste: The problem that won't go away. Worldwatch Institute.

Chicago Style (17th ed.) Citation

Lenssen, Nicholas K. Nuclear Waste: The Problem That Won't Go Away. Washington, D.C.: Worldwatch Institute, 1991.

MLA (8th ed.) Citation

Lenssen, Nicholas K. Nuclear Waste: The Problem That Won't Go Away. Worldwatch Institute, 1991.