APA
D. G. Walker, . (1973). The Biochemical Journal. London: The Biochemical Society.
Chicago
D. G. Walker, . 1973. The Biochemical Journal. London: The Biochemical Society.
Harvard
D. G. Walker, . (1973). The Biochemical Journal. London: The Biochemical Society.
MLA
D. G. Walker, . The Biochemical Journal. London: The Biochemical Society. 1973.