APA (7th ed.) Citation

Eastman, R. O., & Klein, J. (1930). Marketing geography. Alexander Hamilton institute.

Chicago Style (17th ed.) Citation

Eastman, Roy O., and Julius Klein. Marketing Geography. New York: Alexander Hamilton institute, 1930.

MLA (9th ed.) Citation

Eastman, Roy O., and Julius Klein. Marketing Geography. Alexander Hamilton institute, 1930.