Citazione Stile APA (7a Edizione)

Stuifbergen, N. H. (1980). Intersection of hyperbolae on the earth. Dept. of Surveying Engineering, University of New Brunswick.

Citazione stile Chigago Style (17a edizione)

Stuifbergen, Nicholas H.J. Intersection of Hyperbolae on the Earth. Frederiction: Dept. of Surveying Engineering, University of New Brunswick, 1980.

Citatione MLA (9a ed.)

Stuifbergen, Nicholas H.J. Intersection of Hyperbolae on the Earth. Dept. of Surveying Engineering, University of New Brunswick, 1980.