MLA

Lemaître, Maurice, 1926-2018, author. Épargne et peinture lettriste. [1986]. https://collections.library.yale.edu/catalog/30907648.

APA, 6th edition

Lemaître, Maurice, 1926-2018, author. ([1986])[Épargne et peinture lettriste]. https://collections.library.yale.edu/catalog/30907648.