This coloring/tutorial is made by me.
Step one: Picture - sharpen
Step two: new layer - Color Balance
Shadows: -48 / -45 / -15
Midtones: -49 / +31 / -47
Highlights: +25 / -15 / -62
Step three: new layer - Selective Color
Reds: +3% / -43% / -76% / +30%
Yellows: +54% / -47% / +12% / -39%
Greens: +5% / +69% / +43% / +52%
Cyans: +44% / +34% / -99% / +43%
Blues: -11% / +49% / +30% / +54%
Magentas: -4% / -33% / +26% / +7%
Whites: -42% / +17% / -95% / -10%
Blacks: +8% / +14% / +52% / 0%