APA

Holthoff W., Knighton R., . (1977). Cost increases, cost differences, and productivity of transit operations in New York State. : Transportation Research Record.

Chicago

Holthoff WC, Knighton RG, . 1977. Cost increases, cost differences, and productivity of transit operations in New York State. : Transportation Research Record.

Harvard

Holthoff W., Knighton R., . (1977). Cost increases, cost differences, and productivity of transit operations in New York State. : Transportation Research Record.

MLA

Holthoff WC, Knighton RG, . Cost increases, cost differences, and productivity of transit operations in New York State. : Transportation Research Record. 1977.