APA

Chávez V, .El costo de vida en Colombia, real o artificial = The cost of living in Colombia, real or mock. : .

Chicago

Chávez V, .El costo de vida en Colombia, real o artificial = The cost of living in Colombia, real or mock. : .

Harvard

Chávez V, .El costo de vida en Colombia, real o artificial = The cost of living in Colombia, real or mock. : .

MLA

Chávez V, .: . .