APA (7th ed.) Citation

Langford, P. (1987). Concept development in the secondary school. Croom Helm.

Chicago Style (17th ed.) Citation

Langford, Peter. Concept Development in the Secondary School. London: Croom Helm, 1987.

MLA (9th ed.) Citation

Langford, Peter. Concept Development in the Secondary School. Croom Helm, 1987.

Warning: These citations may not always be 100% accurate.