APA (7th ed.) Citation

(1978). D4D tractor: Powershift by 3304 engine. Caterpillar.

Chicago Style (17th ed.) Citation

D4D Tractor: Powershift by 3304 Engine. Sao Paulo: Caterpillar, 1978.

MLA (9th ed.) Citation

D4D Tractor: Powershift by 3304 Engine. Caterpillar, 1978.

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