APA (7th ed.) Citation

Bled, E., & Bled, O. (1954). Cours superieur d'orthographe : cycle d'observation / [by] E. Bled [and] O. Bled: Cycle d'observation. Hachette.

Chicago Style (17th ed.) Citation

Bled, E., and O. Bled. Cours Superieur D'orthographe : Cycle D'observation / [by] E. Bled [and] O. Bled: Cycle D'observation. Hachette, 1954.

MLA (9th ed.) Citation

Bled, E., and O. Bled. Cours Superieur D'orthographe : Cycle D'observation / [by] E. Bled [and] O. Bled: Cycle D'observation. Hachette, 1954.

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