APA (7th ed.) Citation

Crawford, F. M. (1908). The diva's ruby / by F.M. Crawford. Macmillan.

Chicago Style (17th ed.) Citation

Crawford, F. M. The Diva's Ruby / by F.M. Crawford. Macmillan, 1908.

MLA (9th ed.) Citation

Crawford, F. M. The Diva's Ruby / by F.M. Crawford. Macmillan, 1908.

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