Styl cytowania APA

Murphy, D. T. (2002). German exploration of the polar world: A history, 1870 - 1940. Univ. of Nebraska Press.

Styl cytowania Chicago

Murphy, David Thomas. German Exploration of the Polar World: A History, 1870 - 1940. Lincoln [u.a.]: Univ. of Nebraska Press, 2002.

Styl cytowania MLA

Murphy, David Thomas. German Exploration of the Polar World: A History, 1870 - 1940. Univ. of Nebraska Press, 2002.