APA (7th ed.) Citation

Squire, P. C. (1927). Dunkirk as cotton port. [publisher not identified].

Chicago Style (17th ed.) Citation

Squire, Paul Chapin. Dunkirk as Cotton Port. Washington, D.C.: [publisher not identified], 1927.

MLA (9th ed.) Citation

Squire, Paul Chapin. Dunkirk as Cotton Port. [publisher not identified], 1927.