APA (7th ed.) Citation

Grousset, R., Léonard, É., & Bequignon, Y. (1960). Histoire universelle. Gallimard.

Chicago Style (17th ed.) Citation

Grousset, René, Émile-Guillaume Léonard, and Yves Bequignon. Histoire Universelle. [S.l.]: Gallimard, 1960.

MLA (9th ed.) Citation

Grousset, René, et al. Histoire Universelle. Gallimard, 1960.