Lappalainen, T., Petrov, I., & Pyrhönen, J. Agricultural tractor electrical propulsion concept. Elsevier.
Chicago Style (17th ed.) CitationLappalainen, Tero, Ilya Petrov, and Juha Pyrhönen. Agricultural Tractor Electrical Propulsion Concept. Elsevier.
MLA (9th ed.) CitationLappalainen, Tero, et al. Agricultural Tractor Electrical Propulsion Concept. Elsevier.
Warning: These citations may not always be 100% accurate.