APA
Cicero M. T., . (1902). Laelius de Amicitia. New York: American Book Company.
Chicago
Cicero M Tullius, . 1902. Laelius de Amicitia. New York: American Book Company.
Harvard
Cicero M. T., . (1902). Laelius de Amicitia. New York: American Book Company.
MLA
Cicero M Tullius, . Laelius de Amicitia. New York: American Book Company. 1902.
