Margins.

MLA

Gotham Book Mart Collection (University of Pennsylvania), et al. Margins. [Milwaukee] : [Margins], [1972-1976]

APA

Gotham Book Mart Collection (University of Pennsylvania), Montag, T., Margins & Charles Bernstein Collection of Vertical Periodicals (University of Pennsylvania). (1972). Margins. [Milwaukee] : [Margins].

Chicago

Gotham Book Mart Collection (University of Pennsylvania), Tom Montag, Margins and Charles Bernstein Collection of Vertical Periodicals (University of Pennsylvania). Margins. Edited by Tom Montag. [Milwaukee] : [Margins], [1972-1976]