APA

Layton R., . (1978). Energy and environmental consequences of increased vehicle size and weight. Corvallis, OR: Oregon State University. Transportation Research Institute. Report No. 26 and 27.

Chicago

Layton RD, . 1978. Energy and environmental consequences of increased vehicle size and weight. Corvallis, OR: Oregon State University. Transportation Research Institute. Report No. 26 and 27.

Harvard

Layton R., . (1978). Energy and environmental consequences of increased vehicle size and weight. Corvallis, OR: Oregon State University. Transportation Research Institute. Report No. 26 and 27.

MLA

Layton RD, . Energy and environmental consequences of increased vehicle size and weight. Corvallis, OR: Oregon State University. Transportation Research Institute. Report No. 26 and 27. 1978.