Cita APA (7a ed.)

Hayes, D. (1978). The solar energy timetable. Worldwatch Institute.

Cita Chicago Style (17a ed.)

Hayes, Denis. The Solar Energy Timetable. Washington, DC: Worldwatch Institute, 1978.

Cita MLA (9a ed.)

Hayes, Denis. The Solar Energy Timetable. Worldwatch Institute, 1978.