This is the With The Lights Out version.

Nirvana plays it tuned a step down; I adjusted the second version of the tab on ultimate 
guitar to allow for standard tuning.

Intro/Verse
D|-----------------------------------------------------------------||
A|-----------------------3-3-3-------------------------------------||
F|2--2-------------------2-2-2---2---2-2/5-5-----------------------||
C|2--2-0-3-3-3-0--2--2-0-0-0-0-0-2---2-2/5-5-0-5--5-5-5-3-3-0------||
G|0--0-0-3-3-3-0--2--2-0-------0-0---0-0/3-3-0-5--5-5-5-3-3-0------||
D|-----0-1-1-1-0--0--0-0-------0-------------0-3--3-3-3-1-1-0------||

Chorus

D|--------------------------------||
A|--------------------------------||
F|-------6-6-6-----------5-5-5----||
C|4--4-0-6-6-6-0--7--7-0-5-5-5-0--||
G|4--4-0-4-4-4-0--7--7-0-3-3-3-0--||
D|2--2-0-------0--5--5-0-------0--||

Chorus Ending

D|--------------------------------||
A|--------------------------------||
F|--------------------------------||
C|4-4-4-4-4-4-4-4-2-2-2-2-2-2-2-0-||
G|4-4-4-4-4-4-4-4-2-2-2-2-2-2-2-0-||
D|2-2-2-2-2-2-2-2-0-0-0-0-0-0-0-0-||