APA (7th ed.) Citation

Johnson, S., & Corcelle, G. (1990). The environmental policy of the European communities. Graham & Trotman [etc.].

Chicago Style (17th ed.) Citation

Johnson, Stanley, and Guy Corcelle. The Environmental Policy of the European Communities. London [etc.]: Graham & Trotman [etc.], 1990.

MLA (9th ed.) Citation

Johnson, Stanley, and Guy Corcelle. The Environmental Policy of the European Communities. Graham & Trotman [etc.], 1990.