APA (7th ed.) Citation

Blackstone, T., & Crispin, A. (1982). How many teachers?: Issues of policy, planning and demography. Institute of Education, University of London.

Chicago Style (17th ed.) Citation

Blackstone, Tessa, and Alan Crispin. How Many Teachers?: Issues of Policy, Planning and Demography. London: Institute of Education, University of London, 1982.

MLA (8th ed.) Citation

Blackstone, Tessa, and Alan Crispin. How Many Teachers?: Issues of Policy, Planning and Demography. Institute of Education, University of London, 1982.