APA Style

MELVIN, A., SPROD, T. (2015). Theory of knowledge : IB diploma programme 2nd Edition For Assessment 2015 Onwards. IB Prepared (2nd Edition). United Kingdom: International Baccalaureate Organization.

MLA Style

MELVIN, Antonia., SPROD, Tim. "Theory of knowledge : IB diploma programme 2nd Edition For Assessment 2015 Onwards. IB Prepared". 2nd Edition United Kingdom: International Baccalaureate Organization, 2015. Text.