APA (7th ed.) Citation

Alger, H., Jr. Five Hundred Dollars; or, Jacob Marlowe's Secret.

Chicago Style (17th ed.) Citation

Alger, Horatio, Jr. Five Hundred Dollars; or, Jacob Marlowe's Secret.

MLA (9th ed.) Citation

Alger, Horatio, Jr. Five Hundred Dollars; or, Jacob Marlowe's Secret.

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