APA引文

Project in Applied Economics. (1949). The story of Johnny and Mary: Better food makes for better living (2d ed.). Univ. of Florida, College of Education Project in Applied Economics.

Chicago Style (17th ed.) Citation

Project in Applied Economics. The Story of Johnny and Mary: Better Food Makes for Better Living. 2d ed. [Gainesville, Fla.]: Univ. of Florida, College of Education Project in Applied Economics, 1949.

MLA引文

Project in Applied Economics. The Story of Johnny and Mary: Better Food Makes for Better Living. 2d ed. Univ. of Florida, College of Education Project in Applied Economics, 1949.

警告:这些引文格式不一定是100%准确.