APA (7th ed.) Citation

Croft, M. G. (1973). Ground-water resources; Mercer and Oliver counties, North Dakota. [publisher not identified].

Chicago Style (17th ed.) Citation

Croft, M. G. Ground-water Resources; Mercer and Oliver Counties, North Dakota. Bismarck: [publisher not identified], 1973.

MLA (9th ed.) Citation

Croft, M. G. Ground-water Resources; Mercer and Oliver Counties, North Dakota. [publisher not identified], 1973.