APA (7th ed.) Citation

Ackerman, E. A. (1965). Geography as a fundamental research discipline.

Chicago Style (17th ed.) Citation

Ackerman, Edward A. Geography as a Fundamental Research Discipline. 1965.

MLA (9th ed.) Citation

Ackerman, Edward A. Geography as a Fundamental Research Discipline. 1965.

Warning: These citations may not always be 100% accurate.