How to design the capacitors used with Crystal Oscillators?
The frequency is irrelevant, what matters is the load capacitance of the crystal. It's specified by the crystal manufacturer.

Most MCUs use a Pierce oscillator with two feedback capacitors, which are effectively in series, although they look as though they might be in parallel. You therefore need to select the capacitors that, in series, and accounting for some stray capacitance, give the required crystal load capacitance. Most MCU manufacturers have application notes on capacitor selection, as do most crystal suppliers. Here is a typical example.