United States. Congress. Senate. Committee on Interoceanic Canals & ProQuest (Firm). (1914). Panama Canal tolls. [publisher not identified].
Chicago Style (17th ed.) CitationUnited States. Congress. Senate. Committee on Interoceanic Canals and ProQuest (Firm). Panama Canal Tolls. Washington: [publisher not identified], 1914.
MLA (9th ed.) CitationUnited States. Congress. Senate. Committee on Interoceanic Canals and ProQuest (Firm). Panama Canal Tolls. [publisher not identified], 1914.
Warning: These citations may not always be 100% accurate.