APA (7th ed.) Citation

Blake, S. (2013). Sex and relationships education: A step-by-step guide for teachers. Routledge.

Chicago Style (17th ed.) Citation

Blake, Simon. Sex and Relationships Education: A Step-by-step Guide for Teachers. London ; New York: Routledge, 2013.

MLA (9th ed.) Citation

Blake, Simon. Sex and Relationships Education: A Step-by-step Guide for Teachers. Routledge, 2013.