APA
John Maddox, . (1983). Nature. U.S.A: Macmillan Journals Ltd.
Chicago
John Maddox, . 1983. Nature. U.S.A: Macmillan Journals Ltd.
Harvard
John Maddox, . (1983). Nature. U.S.A: Macmillan Journals Ltd.
MLA
John Maddox, . Nature. U.S.A: Macmillan Journals Ltd. 1983.