APA

Bechtold R., Fleming R., . (1977). Investigation of fuel economy potential of four 1977-model vehicles. Warrendale, PA: SAE Technical Paper Series nr 77 08 47.

Chicago

Bechtold RL, Fleming RD, . 1977. Investigation of fuel economy potential of four 1977-model vehicles. Warrendale, PA: SAE Technical Paper Series nr 77 08 47.

Harvard

Bechtold R., Fleming R., . (1977). Investigation of fuel economy potential of four 1977-model vehicles. Warrendale, PA: SAE Technical Paper Series nr 77 08 47.

MLA

Bechtold RL, Fleming RD, . Investigation of fuel economy potential of four 1977-model vehicles. Warrendale, PA: SAE Technical Paper Series nr 77 08 47. 1977.