APA (7th ed.) Citation

Boxer, B. (1961). Ocean shipping in the evolution of Hong Kong. [s.n.].

Chicago Style (17th ed.) Citation

Boxer, Baruch. Ocean Shipping in the Evolution of Hong Kong. Chicago: [s.n.], 1961.

MLA (9th ed.) Citation

Boxer, Baruch. Ocean Shipping in the Evolution of Hong Kong. [s.n.], 1961.