APA (7th ed.) Citation

O'Brien, R. (1965). Machines / by R. O'Brien. Time-Life International.

Chicago Style (17th ed.) Citation

O'Brien, R. Machines / by R. O'Brien. Time-Life International, 1965.

MLA (9th ed.) Citation

O'Brien, R. Machines / by R. O'Brien. Time-Life International, 1965.

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