Cita APA (7th ed.)

Johnson, D. G. (1975). World food problems and prospects. American Enterprise Institute for Public Policy Research.

Cita Chicago (17th ed.)

Johnson, D. Gale. World Food Problems and Prospects. Washington: American Enterprise Institute for Public Policy Research, 1975.

Cita MLA (9th ed.)

Johnson, D. Gale. World Food Problems and Prospects. American Enterprise Institute for Public Policy Research, 1975.