If you arrive from Schiphol airport you can take bus 197 directly to the Leidseplein. The bus stop is 200 meters away from the hotel (costs: circa € 5.00).
You could also take one of the trains (at least every 15 minutes) to the Central Station of Amsterdam. Then see arrival by train. (costs: circa € 4,10 plus tram €2.90)
Or you could take a taxi. Please tell the taxidriver to go the Leidseplein, as the Marnixstraat is very long and he might drive you to the other end of the street first.
To be sure y of a good price, you can book a Green Electric Taxi ahead now from the airport to La Bohème (max €45,-). Free Wi-Fi inside and you can pay the ride also with creditcard.
Zero Emission Taxi Services