Gaumont British Picture Corp, Criterion Collection (Firm), Hitchcock, A., Donat, R., Carroll, M., Mannheim, L., & Buchan, J. (1999). The 39 steps. Criterion Collection.
Chicago Style (17th ed.) CitationGaumont British Picture Corp, Criterion Collection (Firm), Alfred Hitchcock, Robert Donat, Madeleine Carroll, Lucie Mannheim, and John Buchan. The 39 Steps. [Chicago, Ill.]: Criterion Collection, 1999.
MLA (8th ed.) CitationGaumont British Picture Corp, et al. The 39 Steps. Criterion Collection, 1999.
Warning: These citations may not always be 100% accurate.