APA (7th ed.) Citation

Heldt, P. M. Motor vehicles and tractors: A textbook for students and a handbook for engineers. ill..

Chicago Style (17th ed.) Citation

Heldt, P. M. Motor Vehicles and Tractors: A Textbook for Students and a Handbook for Engineers. viii, 678 p.: ill..

MLA (8th ed.) Citation

Heldt, P. M. Motor Vehicles and Tractors: A Textbook for Students and a Handbook for Engineers. ill..

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