Jaques Cattell Press & Xerox Education Publications. (1978). Directory of American scholars (Seventh edition.). R. R. Bowker Company.
Citazione stile Chigago Style (17a edizione)Jaques Cattell Press e Xerox Education Publications. Directory of American Scholars. Seventh edition. New York ; London: R. R. Bowker Company, 1978.
Citatione MLA (9a ed.)Jaques Cattell Press e Xerox Education Publications. Directory of American Scholars. Seventh edition. R. R. Bowker Company, 1978.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.