Citazione Stile APA (7a Edizione)

Foster, H. D., & Sewell, W. R. D. (1977). Solar home heating in Canada: Problems and prospects. Department of Fisheries and Environment.

Citazione stile Chigago Style (17a edizione)

Foster, Harold D., e W. R. Derrick Sewell. Solar Home Heating in Canada: Problems and Prospects. Ottawa: Department of Fisheries and Environment, 1977.

Citatione MLA (8a ed.)

Foster, Harold D., e W. R. Derrick Sewell. Solar Home Heating in Canada: Problems and Prospects. Department of Fisheries and Environment, 1977.