Style de citation APA (7e éd.)

(2015). National History Day (NHD), The National Archives and Records Administration (NARA) and USA Freedom Corps. URI:https://journals.openedition.org/orda.

Style de citation Chicago (17e éd.)

"National History Day (NHD), The National Archives and Records Administration (NARA) and USA Freedom Corps." URI:https://journals.openedition.org/orda 2015.

Style de citation MLA (8e éd.)

"National History Day (NHD), The National Archives and Records Administration (NARA) and USA Freedom Corps." URI:https://journals.openedition.org/orda, 2015.

警告：这些引文格式不一定是100％准确.