APA (7th ed.) Citation

Fitzhugh, P. K. The Lost Mine of the Amazon: A Hal Keen Mystery Story.

Chicago Style (17th ed.) Citation

Fitzhugh, Percy Keese. The Lost Mine of the Amazon: A Hal Keen Mystery Story.

MLA (9th ed.) Citation

Fitzhugh, Percy Keese. The Lost Mine of the Amazon: A Hal Keen Mystery Story.

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