APA (7th ed.) Citation

Ward, R. J., & Block, R. A. (1983). Workboat engineer & oiler (Rev. ed. "A.".). Marine Education Textbooks.

Chicago Style (17th ed.) Citation

Ward, Robert J., and Richard A. Block. Workboat Engineer & Oiler. Rev. ed. "A.". Houma, La.: Marine Education Textbooks, 1983.

MLA (9th ed.) Citation

Ward, Robert J., and Richard A. Block. Workboat Engineer & Oiler. Rev. ed. "A.". Marine Education Textbooks, 1983.