APA (7th ed.) Citation

Smith, D. W., & Crawford, J. (1983). Marine auxiliary machinery (6th ed.). Butterworths.

Chicago Style (17th ed.) Citation

Smith, David W., and J. Crawford. Marine Auxiliary Machinery. 6th ed. London: Butterworths, 1983.

MLA (8th ed.) Citation

Smith, David W., and J. Crawford. Marine Auxiliary Machinery. 6th ed. Butterworths, 1983.