APA (7th ed.) Citation

Johnson, H., & Johnson, J. M. (1977). Environmental policies in developing countries. Schmidt.

Chicago Style (17th ed.) Citation

Johnson, Hope, and Janice Marie Johnson. Environmental Policies in Developing Countries. Berlin: Schmidt, 1977.

MLA (9th ed.) Citation

Johnson, Hope, and Janice Marie Johnson. Environmental Policies in Developing Countries. Schmidt, 1977.