APA (7th ed.) Citation

National Film Board of Canada, Rubbo, M., Atwood, M., & Howells, B. (1984). Margaret Atwood: Once in August. National Film Board of Canada.

Chicago Style (17th ed.) Citation

National Film Board of Canada, Michael Rubbo, Margaret Atwood, and Barrie Howells. Margaret Atwood: Once in August. Montreal, QC: National Film Board of Canada, 1984.

MLA (9th ed.) Citation

National Film Board of Canada, et al. Margaret Atwood: Once in August. National Film Board of Canada, 1984.