APA (7th ed.) Citation

Ridley, B. K. (1976). Time, space and things. Penguin.

Chicago Style (17th ed.) Citation

Ridley, B. K. Time, Space and Things. Harmondsworth ; New York [etc.]: Penguin, 1976.

MLA (9th ed.) Citation

Ridley, B. K. Time, Space and Things. Penguin, 1976.

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