From the main railway station (Hauptbahnhof), take tram no. 14 (direction Seebach), tram no. 7 (direction Stettbach) or tram no. 10 (direction Oerlikon) to tram stop "Milchbuck". At tram stop, cross Schaffhauserstrasse, follow Wehntalerstrasse to Bucheggstrasse, cross Bucheggstrasse, turn left and follow Bucheggstrasse to Langackerstrasse.
By plane:
From the International Airport Zürich-Kloten, there are two possibilities: (1) by direct Tram connection, tram no. 10 (direction Zürich-Hauptbahnhof), from the Airport Zürich-Kloten to tram stop "Hirschwiesen" or "Milchbuck". (2) by railway to Zürich Main Station (Hauptbahnhof). From Hauptbahnof, take trams no. 7, 14 or 10 to tram stop "Milchbuck" (or a taxi). In most cases, the direct connection with tram no. 10 probably will be faster (ca. 20 min).