Textron Lycoming. (1987). Operator's manual: Lycoming TIO-540 series aircraft engines (2nd edition.). Textron Lycoming.
Chicago Style (17th ed.) CitationTextron Lycoming. Operator's Manual: Lycoming TIO-540 Series Aircraft Engines. 2nd edition. Williamsport: Textron Lycoming, 1987.
MLA (9th ed.) CitationTextron Lycoming. Operator's Manual: Lycoming TIO-540 Series Aircraft Engines. 2nd edition. Textron Lycoming, 1987.
Warning: These citations may not always be 100% accurate.