APA

Davis D., . (1978). Effect of restorative maintenance on the relationship between short test and federal test procedure emission test results. Warrendale, PA: SAE Technical Paper Series nr 78 06 19.

Chicago

Davis DH, . 1978. Effect of restorative maintenance on the relationship between short test and federal test procedure emission test results. Warrendale, PA: SAE Technical Paper Series nr 78 06 19.

Harvard

Davis D., . (1978). Effect of restorative maintenance on the relationship between short test and federal test procedure emission test results. Warrendale, PA: SAE Technical Paper Series nr 78 06 19.

MLA

Davis DH, . Effect of restorative maintenance on the relationship between short test and federal test procedure emission test results. Warrendale, PA: SAE Technical Paper Series nr 78 06 19. 1978.