APA

Virginia Highway Safety Division, . (1974). Virginia selective traffic law enforcement manual. Richmond, VA: Virginia Highway Safety Division.

Chicago

Virginia Highway Safety Division, . 1974. Virginia selective traffic law enforcement manual. Richmond, VA: Virginia Highway Safety Division.

Harvard

Virginia Highway Safety Division, . (1974). Virginia selective traffic law enforcement manual. Richmond, VA: Virginia Highway Safety Division.

MLA

Virginia Highway Safety Division, . Virginia selective traffic law enforcement manual. Richmond, VA: Virginia Highway Safety Division. 1974.