APA (7th ed.) Citation

Zahler, H. S. (1941). Eastern workingmen and national land policy: 1829-1862. Columbia university press.

Chicago Style (17th ed.) Citation

Zahler, Helene Sara. Eastern Workingmen and National Land Policy: 1829-1862. New York: Columbia university press, 1941.

MLA (9th ed.) Citation

Zahler, Helene Sara. Eastern Workingmen and National Land Policy: 1829-1862. Columbia university press, 1941.