De senectute ; De amicitia ; De divinatione.

MLA

Cicero, Marcus Tullius, and William Armistead Falconer. De Senectute ; De Amicitia ; De Divinatione. Reprint Cambridge: Harvard university press, 1992.

APA

Cicero, M. Tullius, & Falconer, W. Armistead. (1992). De senectute ; De amicitia ; De divinatione. Reprint Cambridge: Harvard university press.

Chicago

Cicero, Marcus Tullius, De Senectute ; De Amicitia ; De Divinatione. Translated by William Armistead Falconer. Reprint Cambridge: Harvard university press, 1992.