APA Style

WATSON, D., WILLIAMS, H. (2021). Cambridge IGCSE and O level Computer Science Teacher's guide with Boost subscription 1st Edition (1st Edition). London: HODDER EDUCATION.

MLA Style

WATSON, David., WILLIAMS, Helen. "Cambridge IGCSE and O level Computer Science Teacher's guide with Boost subscription 1st Edition". 1st Edition London: HODDER EDUCATION, 2021. Text.