MLA

Brown, Bob, 1886-1959, Clark, Axton D. B, Gillespie, A. Lincoln, Kreymborg, Alfred, 1883-1966, Pound, Ezra, 1885-1972, Roving Eye Press, Stein, Gertrude, 1874-1946. An anthology of readies for Bob Brown's machine. 1931. https://collections.library.yale.edu/catalog/2046739.

APA, 6th edition

Brown, Bob, 1886-1959, & Clark, Axton D. B, & Gillespie, A. Lincoln, & Kreymborg, Alfred, 1883-1966, & Pound, Ezra, 1885-1972, & Roving Eye Press, & Stein, Gertrude, 1874-1946. (1931)[An anthology of readies for Bob Brown's machine]. https://collections.library.yale.edu/catalog/2046739.