APA (7th ed.) Citation

Roberts, M., Hancock, N., & Levasseur, A. (2020). Markham Roberts: Notes on decorating. Vendome.

Chicago Style (17th ed.) Citation

Roberts, Markham, Nelson Hancock, and Alison Levasseur. Markham Roberts: Notes on Decorating. New York: Vendome, 2020.

MLA (9th ed.) Citation

Roberts, Markham, et al. Markham Roberts: Notes on Decorating. Vendome, 2020.