APA
Hewitt E J, Symposium on recent aspects of nitrogen metabolism in plants (1967 : Long Ashton) & Cutting C V Ed. (1968). Proceeding on Recent aspects of notrogen metabolism in plants. London: Academic.
Chicago
Hewitt E J, Symposium on recent aspects of nitrogen metabolism in plants (1967 : Long Ashton) and Cutting C V Ed. 1968. Proceeding on Recent aspects of notrogen metabolism in plants. London: Academic.
Harvard
Hewitt E J, Symposium on recent aspects of nitrogen metabolism in plants (1967 : Long Ashton) and Cutting C V Ed. (1968). Proceeding on Recent aspects of notrogen metabolism in plants. London: Academic.
MLA
Hewitt E J, Symposium on recent aspects of nitrogen metabolism in plants (1967 : Long Ashton) and Cutting C V Ed. Proceeding on Recent aspects of notrogen metabolism in plants. London: Academic. 1968.
