APA
Schofield K Ed, Symposium on recent work on naturally occurring nitrogen heterocyclic compounds (1955 : South westof wngland), . (1955). Recent work on naturally occurring nitrogen heterocyclic compounds. : .
Chicago
Schofield K Ed, Symposium on recent work on naturally occurring nitrogen heterocyclic compounds (1955 : South westof wngland), . 1955. Recent work on naturally occurring nitrogen heterocyclic compounds. : .
Harvard
Schofield K Ed, Symposium on recent work on naturally occurring nitrogen heterocyclic compounds (1955 : South westof wngland), . (1955). Recent work on naturally occurring nitrogen heterocyclic compounds. : .
MLA
Schofield K Ed, Symposium on recent work on naturally occurring nitrogen heterocyclic compounds (1955 : South westof wngland), . Recent work on naturally occurring nitrogen heterocyclic compounds. : . 1955.