APA

MacDonald R, . (1970). The instant enemy. N. Y: Bantham books.

Chicago

MacDonald R, . 1970. The instant enemy. N. Y: Bantham books.

Harvard

MacDonald R, . (1970). The instant enemy. N. Y: Bantham books.

MLA

MacDonald R, . The instant enemy. N. Y: Bantham books. 1970.