APA (7th ed.) Citation

Ayres, R. V., & MacKenna, R. P. (1972). Alternatives to the internal combustion engine: Impacts on environmental quality. Hopkins Univ. Pr.

Chicago Style (17th ed.) Citation

Ayres, Robert V., and Richard P. MacKenna. Alternatives to the Internal Combustion Engine: Impacts on Environmental Quality. Baltimore (u.a.): Hopkins Univ. Pr, 1972.

MLA (9th ed.) Citation

Ayres, Robert V., and Richard P. MacKenna. Alternatives to the Internal Combustion Engine: Impacts on Environmental Quality. Hopkins Univ. Pr, 1972.

Warning: These citations may not always be 100% accurate.