WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). Tugboat. Retrieved October 2, 2026, from http://smartdefine.org/tugboat/definitions/1209285 |
| Chicago | WordNet. 2010. "Tugboat" http://smartdefine.org/tugboat/definitions/1209285 (accessed October 2, 2026). |
| Harvard | WordNet 2010, Tugboat, Smart Define, viewed 2 October, 2026, <http://smartdefine.org/tugboat/definitions/1209285>. |
| MLA | WordNet. "Tugboat" 23 October 2010. Web. 2 October 2026. <http://smartdefine.org/tugboat/definitions/1209285> |