APA (7th ed.) Citation

Crowther, L. R. (1990). NCHRP research on maintenance engineering: An NCHRP digest of the progress and status of maintenance engineering research under the National Cooperative Highway Research Program. Transportation Research Board, National Research Council.

Chicago Style (17th ed.) Citation

Crowther, Lloyd R. NCHRP Research on Maintenance Engineering: An NCHRP Digest of the Progress and Status of Maintenance Engineering Research Under the National Cooperative Highway Research Program. Washington, D.C: Transportation Research Board, National Research Council, 1990.

MLA (9th ed.) Citation

Crowther, Lloyd R. NCHRP Research on Maintenance Engineering: An NCHRP Digest of the Progress and Status of Maintenance Engineering Research Under the National Cooperative Highway Research Program. Transportation Research Board, National Research Council, 1990.