Kochman, Adrienne. "Werefkin, Marianne (1960–1937)." The Routledge Encyclopedia of Modernism. : Taylor and Francis, 2016. Date Accessed 25 Feb. 2021 https://www.rem.routledge.com/articles/werefkin-marianne-1960-1937. doi:10.4324/9781135000356-REM1447-1
Kochman, A.(2016). Werefkin, Marianne (1960–1937). In The Routledge Encyclopedia of Modernism. : Taylor and Francis. Retrieved 25 Feb. 2021, from https://www.rem.routledge.com/articles/werefkin-marianne-1960-1937. doi:10.4324/9781135000356-REM1447-1
Kochman, A. 2016, 'Werefkin, Marianne (1960–1937)' in Routledge Encyclopedia of Modernism, Taylor and Francis, viewed 25 February 2021, <https://www.rem.routledge.com/articles/werefkin-marianne-1960-1937>. doi:10.4324/9781135000356-REM1447-1