Complex sentence: Modern cultural movements such as the surrealists, the existentialists and the Beats cite Dostoyevsky as an influence, and he is cited as the forerunner of Russian symbolism, existentialism, expressionism and psychoanalysis.
Split into simpler sentences: Modern cultural movements such as the surrealists, the existentialists and the Beats cite Dostoyevsky as an influence. Dostoyevsky is cited as the forerunner of Russian symbolism, existentialism, expressionism and psychoanalysis.