APA (7th ed.) Citation

Lawler, J. R., Guyaux, A., & Valéry, P. (1991). Paul Valéry. Champion ; Slatkine.

Chicago Style (17th ed.) Citation

Lawler, James R., André Guyaux, and Paul Valéry. Paul Valéry. Paris : Genève: Champion ; Slatkine, 1991.

MLA (9th ed.) Citation

Lawler, James R., et al. Paul Valéry. Champion ; Slatkine, 1991.