Hubbard, L. R. (2012). Adventurer/explorer: Daring deeds & unknown realms. Bridge Pub.
Citazione stile Chigago Style (17a edizione)Hubbard, L. Ron. Adventurer/explorer: Daring Deeds & Unknown Realms. Commerce, Calif: Bridge Pub, 2012.
Citatione MLA (9a ed.)Hubbard, L. Ron. Adventurer/explorer: Daring Deeds & Unknown Realms. Bridge Pub, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.