APA

Gummere R. M., . (1963). Seneca: the philosopher and his modern message. New York: Cooper Square Publishers.

Chicago

Gummere Richard M, . 1963. Seneca: the philosopher and his modern message. New York: Cooper Square Publishers.

Harvard

Gummere R. M., . (1963). Seneca: the philosopher and his modern message. New York: Cooper Square Publishers.

MLA

Gummere Richard M, . Seneca: the philosopher and his modern message. New York: Cooper Square Publishers. 1963.