APA (7th ed.) Citation

Gould, P., & Olsson, G. (1982). A search for common ground. Pion.

Chicago Style (17th ed.) Citation

Gould, Peter, and Gunnar Olsson. A Search for Common Ground. London: Pion, 1982.

MLA (9th ed.) Citation

Gould, Peter, and Gunnar Olsson. A Search for Common Ground. Pion, 1982.