APA (7th ed.) Citation

Collison, R. L. (1966). Newnes dictionary of dates (2.rev.ed.). Newnes.

Chicago Style (17th ed.) Citation

Collison, Robert L. Newnes Dictionary of Dates. 2.rev.ed. London: Newnes, 1966.

MLA (9th ed.) Citation

Collison, Robert L. Newnes Dictionary of Dates. 2.rev.ed. Newnes, 1966.