APA (7th ed.) Citation

Crawford, D. R. (1981). A practical guide to airplane performance and design. Crawford Aviation.

Chicago Style (17th ed.) Citation

Crawford, Donald R. A Practical Guide to Airplane Performance and Design. Torrance: Crawford Aviation, 1981.

MLA (9th ed.) Citation

Crawford, Donald R. A Practical Guide to Airplane Performance and Design. Crawford Aviation, 1981.