APA

Hauer E., Lovell J. & Persaud B. N. (1986). New directions for learning about effectiveness. Washington, DC: US Dept. of Transportation.

Chicago

Hauer E, Lovell J and Persaud B N. 1986. New directions for learning about effectiveness. Washington, DC: US Dept. of Transportation.

Harvard

Hauer E., Lovell J. and Persaud B. N. (1986). New directions for learning about effectiveness. Washington, DC: US Dept. of Transportation.

MLA

Hauer E, Lovell J and Persaud B N. New directions for learning about effectiveness. Washington, DC: US Dept. of Transportation. 1986.