APA (7th ed.) Citation

McCullough, W. (1969). Physical working conditions / by W. McCullough. Gower Press.

Chicago Style (17th ed.) Citation

McCullough, W. Physical Working Conditions / by W. McCullough. Gower Press, 1969.

MLA (9th ed.) Citation

McCullough, W. Physical Working Conditions / by W. McCullough. Gower Press, 1969.

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