APA (7th ed.) Citation

Heister, T. R., & Pennel, W. T. (1981). The siting handbook for large wind energy systems. Windbooks.

Chicago Style (17th ed.) Citation

Heister, T. R., and W. T. Pennel. The Siting Handbook for Large Wind Energy Systems. Rockville Centre: Windbooks, 1981.

MLA (9th ed.) Citation

Heister, T. R., and W. T. Pennel. The Siting Handbook for Large Wind Energy Systems. Windbooks, 1981.