APA (7th ed.) Citation

Helmker, J. A. (1974). All-terrain vehicles / by Judith A. Helmker. Barnes ; ;.

Chicago Style (17th ed.) Citation

Helmker, Judith Anne. All-terrain Vehicles / by Judith A. Helmker. South Brunswick ; New York ; London: Barnes ; ;, 1974.

MLA (9th ed.) Citation

Helmker, Judith Anne. All-terrain Vehicles / by Judith A. Helmker. Barnes ; ;, 1974.

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