APA引文

Northwestern University (Evanston, Ill.). Transportation Center, & Ferguson , A. R. (1961). The Economic value of the United States merchant marine. Transportation Center at Northwestern University.

Chicago Style (17th ed.) Citation

Northwestern University (Evanston, Ill.). Transportation Center, and Allen Richmond Ferguson. The Economic Value of the United States Merchant Marine. Evanston, Ill.: Transportation Center at Northwestern University, 1961.

MLA引文

Northwestern University (Evanston, Ill.). Transportation Center, and Allen Richmond Ferguson. The Economic Value of the United States Merchant Marine. Transportation Center at Northwestern University, 1961.