APA (7th ed.) Citation

Peaker, G. F. (1971). The Plowden children four years later (1. publ.). National Foundation for Educational Research.

Chicago Style (17th ed.) Citation

Peaker, Gilbert F. The Plowden Children Four Years Later. 1. publ. London: National Foundation for Educational Research, 1971.

MLA (9th ed.) Citation

Peaker, Gilbert F. The Plowden Children Four Years Later. 1. publ. National Foundation for Educational Research, 1971.