APA

Ungar F., Mainiero L., . (1975). Encyclopedia of world literature in the 20th century. New York: Frederick Ungar Pub. Co.

Chicago

Ungar Frederick, Mainiero Lina, . 1975. Encyclopedia of world literature in the 20th century. New York: Frederick Ungar Pub. Co.

Harvard

Ungar F., Mainiero L., . (1975). Encyclopedia of world literature in the 20th century. New York: Frederick Ungar Pub. Co.

MLA

Ungar Frederick, Mainiero Lina, . Encyclopedia of world literature in the 20th century. New York: Frederick Ungar Pub. Co. 1975.