APA (7th ed.) Citation

Langworthy, J. L. The Aeroplane Boys on the Wing; Or, Aeroplane Chums in the Tropics.

Chicago Style (17th ed.) Citation

Langworthy, John Luther. The Aeroplane Boys on the Wing; Or, Aeroplane Chums in the Tropics.

MLA (9th ed.) Citation

Langworthy, John Luther. The Aeroplane Boys on the Wing; Or, Aeroplane Chums in the Tropics.

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