Cite the given sentence using the MLA style.
Capitalism creates a society of extremes.
Smith, John. "Capitalism Creates a Society of Extremes". 2019.
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction:
Cite the given sentence using the MLA style.

### Response:
Smith, John. "Capitalism Creates a Society of Extremes". 2019.