APA (7th ed.) Citation

Lewis, R. E. (1973). Trends in the geography of North Dakota: Data projections to 1985 (2. print.). Univ. of North Dakota.

Chicago Style (17th ed.) Citation

Lewis, Ralph E. Trends in the Geography of North Dakota: Data Projections to 1985. 2. print. Grand Forks, ND: Univ. of North Dakota, 1973.

MLA (9th ed.) Citation

Lewis, Ralph E. Trends in the Geography of North Dakota: Data Projections to 1985. 2. print. Univ. of North Dakota, 1973.