APA (7th ed.) Citation

Mansfield, K., Murry, J. M., & Duproix, M. (1950). Journal. Stock.

Chicago Style (17th ed.) Citation

Mansfield, Katherine, John Middleton Murry, and Marthe Duproix. Journal. Paris: Stock, 1950.

MLA (9th ed.) Citation

Mansfield, Katherine, et al. Journal. Stock, 1950.