APA Style

Library, J, (, R, B, N, F, O, B. (2008). The Thirty‑Nine Steps (Oxford Bookworms Library, Level 4 (third/new editi). Oxford (global imprint of OUP): Oxford University Press; part of Oxford Bookworms Library series.

MLA Style

Library, John Buchan, (original);, Retold, By, Nick Bullard, For, Oxford, Bookworms. "The Thirty‑Nine Steps". Oxford Bookworms Library, Level 4 (third/new editi Oxford (global imprint of OUP): Oxford University Press; part of Oxford Bookworms Library series, 2008. BOOK.