APA (7th ed.) Citation

Robinson, T. R. (1942). Modern clocks : their repair and maintenance / by T.R. Robinson: Their repair and maintenance (2nd ed.). N.A.G. Press.

Chicago Style (17th ed.) Citation

Robinson, T. R. Modern Clocks : Their Repair and Maintenance / by T.R. Robinson: Their Repair and Maintenance. 2nd ed. N.A.G. Press, 1942.

MLA (9th ed.) Citation

Robinson, T. R. Modern Clocks : Their Repair and Maintenance / by T.R. Robinson: Their Repair and Maintenance. 2nd ed. N.A.G. Press, 1942.

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