APA

Skinner D., Neff W., . (1974). Preliminary review of used lubricating oils in Canada. Ottawa: Environment Canada. Environmental Protection Service. Economic and Technical Review. Report nr EPS 3-WP-74-4.

Chicago

Skinner DJ, Neff WA, . 1974. Preliminary review of used lubricating oils in Canada. Ottawa: Environment Canada. Environmental Protection Service. Economic and Technical Review. Report nr EPS 3-WP-74-4.

Harvard

Skinner D., Neff W., . (1974). Preliminary review of used lubricating oils in Canada. Ottawa: Environment Canada. Environmental Protection Service. Economic and Technical Review. Report nr EPS 3-WP-74-4.

MLA

Skinner DJ, Neff WA, . Preliminary review of used lubricating oils in Canada. Ottawa: Environment Canada. Environmental Protection Service. Economic and Technical Review. Report nr EPS 3-WP-74-4. 1974.