APA (7th ed.) Citation

Clerk, J., Vallance, J., Jones, B., & Bowes, J. A system of seamanship, and naval tactics.

Chicago Style (17th ed.) Citation

Clerk, John, J. Vallance, Benjamin Jones, and Joseph Bowes. A System of Seamanship, and Naval Tactics.

MLA (9th ed.) Citation

Clerk, John, et al. A System of Seamanship, and Naval Tactics.