APA
Popper K., . (1959). The Logic Of Scientific Discovery. : Routledge.
Chicago
Popper Karl, . 1959. The Logic Of Scientific Discovery. : Routledge.
Harvard
Popper K., . (1959). The Logic Of Scientific Discovery. : Routledge.
MLA
Popper Karl, . The Logic Of Scientific Discovery. : Routledge. 1959.