Cita APA (7th ed.)

Goudey, C. A., Loutrel, S. P., & Clifton, A. B. (1979). An improved trawl door hook-up system. Cambridge University.

Cita Chicago (17th ed.)

Goudey, Clifford A., Stephen P. Loutrel, i Arthur B. Clifton. An Improved Trawl Door Hook-up System. Cambridge: Cambridge University, 1979.

Cita MLA (9th ed.)

Goudey, Clifford A., et al. An Improved Trawl Door Hook-up System. Cambridge University, 1979.