APA (7th ed.) Citation

Illinois Environmental Protection Agency. (1970). Lake Michigan open water and lake bed survey, 1970. [publisher not identified].

Chicago Style (17th ed.) Citation

Illinois Environmental Protection Agency. Lake Michigan Open Water and Lake Bed Survey, 1970. [Springfield : s.n.]: [publisher not identified], 1970.

MLA (9th ed.) Citation

Illinois Environmental Protection Agency. Lake Michigan Open Water and Lake Bed Survey, 1970. [publisher not identified], 1970.

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