APA (7th ed.) Citation

Huntington, E., & Cushing, S. W. (1926). Modern business geography. George G. Harrap.

Chicago Style (17th ed.) Citation

Huntington, Ellsworth, and Summer W. Cushing. Modern Business Geography. London [etc.]: George G. Harrap, 1926.

MLA (9th ed.) Citation

Huntington, Ellsworth, and Summer W. Cushing. Modern Business Geography. George G. Harrap, 1926.