Citazione Stile APA (7a Edizione)

Halvorson, H. O. (1958). The physiology of the bacterial spore. Technical University of Norway.

Citazione stile Chigago Style (17a edizione)

Halvorson, H. O. The Physiology of the Bacterial Spore. Norway: Technical University of Norway, 1958.

Citatione MLA (9a ed.)

Halvorson, H. O. The Physiology of the Bacterial Spore. Technical University of Norway, 1958.