APA (7th ed.) Citation

Harder, E. C., & Johnston, A. W. (1918). Preliminary report on the geology of east central Minnesota including the Cuyuna iron-ore district. University.

Chicago Style (17th ed.) Citation

Harder, Edmund C., and A. W. Johnston. Preliminary Report on the Geology of East Central Minnesota Including the Cuyuna Iron-ore District. Minneapolis: University, 1918.

MLA (9th ed.) Citation

Harder, Edmund C., and A. W. Johnston. Preliminary Report on the Geology of East Central Minnesota Including the Cuyuna Iron-ore District. University, 1918.