APA Style

Bates, M., Dudley-Evans, T. (1981). General science test book part 2 . : Longman House, Birnt Mill, Harlow, Essex.

MLA Style

Bates, Martin., Dudley-Evans, Tony. "General science test book part 2". : Longman House, Birnt Mill, Harlow, Essex, 1981. Text.