Directors at work; interviews with American film-makers.

MLA

Gotham Book Mart Collection (University of Pennsylvania), et al. Directors at work; interviews with American film-makers. New York : Funk & Wagnalls, [1970]

APA

Gotham Book Mart Collection (University of Pennsylvania), Kantor, B., Blacker, I. & Kramer, A. (1970). Directors at work; interviews with American film-makers. New York : Funk & Wagnalls.

Chicago

Gotham Book Mart Collection (University of Pennsylvania), Bernard R. Kantor, Irwin R. Blacker and Anne Kramer. Directors at work; interviews with American film-makers. Edited by Bernard R. Kantor and Irwin R. Blacker and Anne Kramer. New York : Funk & Wagnalls, [1970]