Παραπομπή σε μορφή APA (7η εκδ.)

Cicero, M. T. (1983). Cicero's essays on old age and on friendship: The original text reduced to the natural English order with a literal interlinear translation. Handy Book.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Cicero, Marcus Tullius. Cicero's Essays on Old Age and on Friendship: The Original Text Reduced to the Natural English Order with a Literal Interlinear Translation. Harrisburg, Pa: Handy Book, 1983.

Παραπομπή σε μορφή MLA (9th εκδ.)

Cicero, Marcus Tullius. Cicero's Essays on Old Age and on Friendship: The Original Text Reduced to the Natural English Order with a Literal Interlinear Translation. Handy Book, 1983.