APA

Ratcliffe J. A., . (1970). Sun, earth, and radio: an introduction to the ionosphere and magnetosphere. New York: McGraw-Hill.

Chicago

Ratcliffe J A, . 1970. Sun, earth, and radio: an introduction to the ionosphere and magnetosphere. New York: McGraw-Hill.

Harvard

Ratcliffe J. A., . (1970). Sun, earth, and radio: an introduction to the ionosphere and magnetosphere. New York: McGraw-Hill.

MLA

Ratcliffe J A, . Sun, earth, and radio: an introduction to the ionosphere and magnetosphere. New York: McGraw-Hill. 1970.