^Bar-On, Tamir (2019). "Richard B. Spencer and the Alt Right". In Sedgwick, Mark (ed.). Key Thinkers of the Radical Right: Behind the New Threat to Liberal Democracy. Oxford University Press. pp. 224–241. ISBN 978-0190877606: "p. 225: "Spencer has been dubbed a 'neo-Nazi', 'White supremacist', and 'ethnic nationalist'."
^(EN) Banda Kevin K., Cluverius John, 4, in White Americans' Evaluations of the Alt-Right, American Politics Research, vol. 51, luglio 2023, p. 435–442.
«"Answering a request for comment, Spencer confirmed to Hatewatch what researchers already sensed about him. He said that he pulled back from the [alt-right] movement in 2018, after the Michigan State event."»