APA (7th ed.) Citation

Johnson, W. (1980). Helicopter theory. Princeton Univ. Pr.

Chicago Style (17th ed.) Citation

Johnson, Wayne. Helicopter Theory. Princeton, NJ: Princeton Univ. Pr, 1980.

MLA (9th ed.) Citation

Johnson, Wayne. Helicopter Theory. Princeton Univ. Pr, 1980.

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