APA (7th ed.) Citation

Alleton, V., Lackner, M., & Kurtz, J. (1999). English introduction. De l'un au multiple.

Chicago Style (17th ed.) Citation

Alleton, Viviane, Michael Lackner, and Joachim Kurtz. "English Introduction." De L'un Au Multiple 1999.

MLA (9th ed.) Citation

Alleton, Viviane, et al. "English Introduction." De L'un Au Multiple, 1999.

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