APA (7th ed.) Citation

Roadcap, R. R. World airline record. R.R. Roadcap.

Chicago Style (17th ed.) Citation

Roadcap, Roy Reginald. World Airline Record. Chicago: R.R. Roadcap.

MLA (9th ed.) Citation

Roadcap, Roy Reginald. World Airline Record. R.R. Roadcap.

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