Watkins, J. T. 1. . . . e., & Robinson, J. W. 1. . j. e. (1956). General international organization, a source book. Van Nostrand.
Citazione stile Chigago Style (17a edizione)Watkins, James Thomas 1907- ed, e Joseph William 1907- joint ed Robinson. General International Organization, a Source Book. Princeton: Van Nostrand, 1956.
Citatione MLA (9a ed.)Watkins, James Thomas 1907- ed, e Joseph William 1907- joint ed Robinson. General International Organization, a Source Book. Van Nostrand, 1956.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.