APA (7th ed.) Citation

Collison, R. L. (1962). Dictionary of dates [and anniversaries]. Newnes.

Chicago Style (17th ed.) Citation

Collison, Robert Lewis. Dictionary of Dates [and Anniversaries]. London: Newnes, 1962.

MLA (9th ed.) Citation

Collison, Robert Lewis. Dictionary of Dates [and Anniversaries]. Newnes, 1962.

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