Canal Zone & ProQuest (Firm). (1961). Panama Canal Company. Canal Zone Government Annual Report . Fiscal year ended June 30, 1961. [publisher not identified].
Chicago Style (17th ed.) CitationCanal Zone and ProQuest (Firm). Panama Canal Company. Canal Zone Government Annual Report . Fiscal Year Ended June 30, 1961. Washington: [publisher not identified], 1961.
MLA (9th ed.) CitationCanal Zone and ProQuest (Firm). Panama Canal Company. Canal Zone Government Annual Report . Fiscal Year Ended June 30, 1961. [publisher not identified], 1961.
Warning: These citations may not always be 100% accurate.