APA
Dr. T. Stephen, . (1969). Tetrahedron. New York: pergamon press.
Chicago
Dr. T. Stephen, . 1969. Tetrahedron. New York: pergamon press.
Harvard
Dr. T. Stephen, . (1969). Tetrahedron. New York: pergamon press.
MLA
Dr. T. Stephen, . Tetrahedron. New York: pergamon press. 1969.