APA (7th ed.) Citation

Whittaker, F. Ruby Roland, the Girl Spy; or, Simon Kenton's Protege.

Chicago Style (17th ed.) Citation

Whittaker, Frederick. Ruby Roland, the Girl Spy; or, Simon Kenton's Protege.

MLA (9th ed.) Citation

Whittaker, Frederick. Ruby Roland, the Girl Spy; or, Simon Kenton's Protege.

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