George Washington University. Population Information Program\nGeorge Washington University. Department of Medical and Public Affairs. (1973). Population Reports. George Washington University, Department of Medical and Public Affairs.
Citação do estilo Chicago (17ª ed.)George Washington University. Population Information Program\nGeorge Washington University. Department of Medical and Public Affairs. Population Reports. Washington: George Washington University, Department of Medical and Public Affairs, 1973.
Citação MLA (8ª ed.)George Washington University. Population Information Program\nGeorge Washington University. Department of Medical and Public Affairs. Population Reports. George Washington University, Department of Medical and Public Affairs, 1973.
警告：這些引文格式不一定是100％准確.