APA (7th ed.) Citation

Cortada, J. W. (2017). IBM branch offices: What they were, how they worked, 1920s-1980s.

Chicago Style (17th ed.) Citation

Cortada, James W. IBM Branch Offices: What They Were, How They Worked, 1920s-1980s. 2017.

MLA (9th ed.) Citation

Cortada, James W. IBM Branch Offices: What They Were, How They Worked, 1920s-1980s. 2017.

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