APA
Sir Robert Robinson, . (1976). Tetrahedron Letters. New York: Pergamon press.
Chicago
Sir Robert Robinson, . 1976. Tetrahedron Letters. New York: Pergamon press.
Harvard
Sir Robert Robinson, . (1976). Tetrahedron Letters. New York: Pergamon press.
MLA
Sir Robert Robinson, . Tetrahedron Letters. New York: Pergamon press. 1976.