Citazione Stile APA (7a Edizione)

Markham, C. R. (1921). The lands of silence: A history of Arctic and Antarctic exploration by Sir Clements R. Markham, K.C.B., F.R.S (1a. ed.). University Press.

Citazione stile Chigago Style (17a edizione)

Markham, Clements Robert. The Lands of Silence: A History of Arctic and Antarctic Exploration by Sir Clements R. Markham, K.C.B., F.R.S. 1a. ed. Cambridge: University Press, 1921.

Citatione MLA (9a ed.)

Markham, Clements Robert. The Lands of Silence: A History of Arctic and Antarctic Exploration by Sir Clements R. Markham, K.C.B., F.R.S. 1a. ed. University Press, 1921.