Branley, F. M. (1982). Space colony: Frontier of the 21st century. Elsevier/Nelson Books.
Citazione stile Chigago Style (17a edizione)Branley, Franklyn Mansfield. Space Colony: Frontier of the 21st Century. New York: Elsevier/Nelson Books, 1982.
Citatione MLA (9a ed.)Branley, Franklyn Mansfield. Space Colony: Frontier of the 21st Century. Elsevier/Nelson Books, 1982.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.