Hubbard, L. R. (2007). Scientology 8-80: The discovery and increase of life energy in the genus Homo sapiens. Bridge Publications, Inc..
Citazione stile Chigago Style (17a edizione)Hubbard, L. Ron. Scientology 8-80: The Discovery and Increase of Life Energy in the Genus Homo Sapiens. Los Angeles, Calif.: Bridge Publications, Inc., 2007.
Citatione MLA (9a ed.)Hubbard, L. Ron. Scientology 8-80: The Discovery and Increase of Life Energy in the Genus Homo Sapiens. Bridge Publications, Inc., 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.