Citazione Stile APA (7a Edizione)

Philippines (Commonwealth) Dept. of agriculture and commerce & Philippines. Bureau of lands. North polar distances of the sun ... computed for the 20th meridian east of Greenwich .. s.n.

Citazione stile Chigago Style (17a edizione)

Philippines (Commonwealth) Dept. of agriculture and commerce e Philippines. Bureau of lands. North Polar Distances of the Sun ... Computed for the 20th Meridian East of Greenwich .. Manila: s.n.

Citatione MLA (9a ed.)

Philippines (Commonwealth) Dept. of agriculture and commerce e Philippines. Bureau of lands. North Polar Distances of the Sun ... Computed for the 20th Meridian East of Greenwich .. s.n.