APA (7th ed.) Citation

Scorer, R. S., & Verkaik, A. (1989). Spacious skies / Richard Scorer & Arjen Verkaik. David & Charles.

Chicago Style (17th ed.) Citation

Scorer, R. S., and Arjen Verkaik. Spacious Skies / Richard Scorer & Arjen Verkaik. Newton Abbot ; London: David & Charles, 1989.

MLA (9th ed.) Citation

Scorer, R. S., and Arjen Verkaik. Spacious Skies / Richard Scorer & Arjen Verkaik. David & Charles, 1989.

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