APA
Heisenberg W., . (1930). The physical principles of the quantum theory. [s.l.]: Dover.
Chicago
Heisenberg W, . 1930. The physical principles of the quantum theory. [s.l.]: Dover.
Harvard
Heisenberg W., . (1930). The physical principles of the quantum theory. [s.l.]: Dover.
MLA
Heisenberg W, . The physical principles of the quantum theory. [s.l.]: Dover. 1930.