APA (7th ed.) Citation

Smith, D. W., & Crawford, J. (1987). Marine auxiliary machinery (Sixth edition.). Butterworth & Co (Publishers) Ltd.

Chicago Style (17th ed.) Citation

Smith, David W., and J. Crawford. Marine Auxiliary Machinery. Sixth edition. London [England]: Butterworth & Co (Publishers) Ltd, 1987.

MLA (9th ed.) Citation

Smith, David W., and J. Crawford. Marine Auxiliary Machinery. Sixth edition. Butterworth & Co (Publishers) Ltd, 1987.