APA (7th ed.) Citation

Young, C. The Motor Boys Over the Rockies; Or, A Mystery of the Air.

Chicago Style (17th ed.) Citation

Young, Clarence. The Motor Boys Over the Rockies; Or, A Mystery of the Air.

MLA (9th ed.) Citation

Young, Clarence. The Motor Boys Over the Rockies; Or, A Mystery of the Air.

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