Citação norma APA
National Academy of Sciences (U.S.), National Academy of Engineering, Institute of Medicine (U.S.), National Research Council (U.S.), & ebrary, Inc. (1997). Preparing for the 21st century: The education imperative. National Academy of Sciences.
Citação norma Chicago
National Academy of Sciences (U.S.), National Academy of Engineering, Institute of Medicine (U.S.), National Research Council (U.S.), and Inc ebrary. Preparing for the 21st Century: The Education Imperative. [Washington, D.C.]: National Academy of Sciences, 1997.
Citação norma MLA
National Academy of Sciences (U.S.), et al. Preparing for the 21st Century: The Education Imperative. National Academy of Sciences, 1997.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.