Cita APA

Nebraska Academy of Sciences, Nebraska Academy of Sciences, Nebraska Asociation of Teachers of Science, & Nebraska Asociation of Teachers of Science. (1999). Program and proceedings. Lincoln, Nebr.: The Academy.

Citación estilo Chicago

Nebraska Academy of Sciences, Nebraska Academy of Sciences, Nebraska Asociation of Teachers of Science, y Nebraska Asociation of Teachers of Science. Program and Proceedings. Lincoln, Nebr.: The Academy, 1999.

Cita MLA

Nebraska Academy of Sciences, Nebraska Academy of Sciences, Nebraska Asociation of Teachers of Science, y Nebraska Asociation of Teachers of Science. Program and Proceedings. Lincoln, Nebr.: The Academy, 1999.