APA (7th ed.) Citation

Robbins, M. S. (1975). Electronic clocks and watches. H. W. Sams.

Chicago Style (17th ed.) Citation

Robbins, Michael S. Electronic Clocks and Watches. Indianapolis: H. W. Sams, 1975.

MLA (9th ed.) Citation

Robbins, Michael S. Electronic Clocks and Watches. H. W. Sams, 1975.