APA (7th ed.) Citation

Kendrick, J. W. (1961). Productivity trends in the United States / by J.W. Kendrick. Princeton UP.

Chicago Style (17th ed.) Citation

Kendrick, J. W. Productivity Trends in the United States / by J.W. Kendrick. Princeton UP, 1961.

MLA (9th ed.) Citation

Kendrick, J. W. Productivity Trends in the United States / by J.W. Kendrick. Princeton UP, 1961.

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