APA (7th ed.) Citation

Ridley, A. (1971). Living in cities / by A. Ridley. Heinemann.

Chicago Style (17th ed.) Citation

Ridley, A. Living in Cities / by A. Ridley. Heinemann, 1971.

MLA (9th ed.) Citation

Ridley, A. Living in Cities / by A. Ridley. Heinemann, 1971.

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