Não informado. (2020). Memoirs of the National Academy of Sciences. Government Printing Office.
Citação do estilo Chicago (17ª ed.)Não informado. Memoirs of the National Academy of Sciences. Washington: Government Printing Office, 2020.
Citação MLA (8ª ed.)Não informado. Memoirs of the National Academy of Sciences. Government Printing Office, 2020.
警告：這些引文格式不一定是100％准確.