Citação norma APA

Walton, L. (1967). Foreign trade and foreign exchange: Their theory and practice. Macdonald and Evans.

Citação norma Chicago

Walton, L..E. Foreign Trade and Foreign Exchange: Their Theory and Practice. Macdonald and Evans, 1967.

Citação norma MLA

Walton, L..E. Foreign Trade and Foreign Exchange: Their Theory and Practice. Macdonald and Evans, 1967.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.