APA (7th ed.) Citation

Collis, M. (1974). Tackling problems part 1: A unit for teachers. Macdonald Educational.

Chicago Style (17th ed.) Citation

Collis, Margaret. Tackling Problems Part 1: A Unit for Teachers. London: Macdonald Educational, 1974.

MLA (9th ed.) Citation

Collis, Margaret. Tackling Problems Part 1: A Unit for Teachers. Macdonald Educational, 1974.