Thomson, E. W. Planet earth the roads least travelled a photographer's memoir (Primera edición.). [Editorial no identificado].
Citazione stile Chigago Style (17a edizione)Thomson, Eric W. Planet Earth the Roads Least Travelled a Photographer's Memoir. Primera edición. [Lugar no identificado]: [Editorial no identificado].
Citatione MLA (8a ed.)Thomson, Eric W. Planet Earth the Roads Least Travelled a Photographer's Memoir. Primera edición. [Editorial no identificado].
Attenzione: Queste citazioni potrebbero non essere precise al 100%.