APA (7th ed.) Citation

Loon, J. C. (1982). Cartographic generalization of digital terrain models. Univ. Microfilms Internat.

Chicago Style (17th ed.) Citation

Loon, Joseph C. Cartographic Generalization of Digital Terrain Models. Ann Arbor, Mich: Univ. Microfilms Internat, 1982.

MLA (9th ed.) Citation

Loon, Joseph C. Cartographic Generalization of Digital Terrain Models. Univ. Microfilms Internat, 1982.