APA (7th ed.) Citation

ProQuest (Firm). (1903). Hydrography of the American Isthmus. [publisher not identified].

Chicago Style (17th ed.) Citation

ProQuest (Firm). Hydrography of the American Isthmus. Washington: [publisher not identified], 1903.

MLA (9th ed.) Citation

ProQuest (Firm). Hydrography of the American Isthmus. [publisher not identified], 1903.

Warning: These citations may not always be 100% accurate.