APA (7th ed.) Citation

Mason, L. J., & Hughston, L. P. (1990). Further advances in twistor theory. Longman.

Chicago Style (17th ed.) Citation

Mason, L. J., and L. P. Hughston. Further Advances in Twistor Theory. Harlow: Longman, 1990.

MLA (8th ed.) Citation

Mason, L. J., and L. P. Hughston. Further Advances in Twistor Theory. Longman, 1990.

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