Rubio, R. M. (2019). A senior citizen establishes a farm at the age of 80. Agriculture.
Citazione stile Chigago Style (17a edizione)Rubio, Rex M. "A Senior Citizen Establishes a Farm at the Age of 80." Agriculture 2019.
Citatione MLA (9a ed.)Rubio, Rex M. "A Senior Citizen Establishes a Farm at the Age of 80." Agriculture, 2019.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.