APA (7th ed.) Citation

Pryor, F. L. (1963). The communist foreign trade system. George Allen & Unwin.

Chicago Style (17th ed.) Citation

Pryor, Frederic L. The Communist Foreign Trade System. Londres: George Allen & Unwin, 1963.

MLA (9th ed.) Citation

Pryor, Frederic L. The Communist Foreign Trade System. George Allen & Unwin, 1963.