Citação norma APA
Keménes, E. (1981). Cyclical and secular changes in the world economy: <an> essay in intepretation of the new phenomens in the world economy. Hungarian Scientific Council for World Economy.
Citação norma Chicago
Keménes, Egon. Cyclical and Secular Changes in the World Economy: <an> Essay in Intepretation of the New Phenomens in the World Economy. Budapest: Hungarian Scientific Council for World Economy, 1981.
Citação norma MLA
Keménes, Egon. Cyclical and Secular Changes in the World Economy: <an> Essay in Intepretation of the New Phenomens in the World Economy. Hungarian Scientific Council for World Economy, 1981.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.