APA (7th ed.) Citation

Efford, I. E., & Smith, B. M. (1972). Energy and the environment. Institute of Resource Ecology, University of British Columbia.

Chicago Style (17th ed.) Citation

Efford, Ian E., and Barbara M. Smith. Energy and the Environment. Vancouver: Institute of Resource Ecology, University of British Columbia, 1972.

MLA (9th ed.) Citation

Efford, Ian E., and Barbara M. Smith. Energy and the Environment. Institute of Resource Ecology, University of British Columbia, 1972.