APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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