APA Style
Oil World Vol. 56 No. 7 / 15 February 2013. (2013).
Germany:
Thomas Mielke.
Chicago Style
Oil World Vol. 56 No. 7 / 15 February 2013.
1.
Germany:
Thomas Mielke,
2013.
Hard Copy.
MLA Style
Oil World Vol. 56 No. 7 / 15 February 2013.
1.
Germany:
Thomas Mielke,
2013.
Hard Copy.
Turabian Style
Oil World Vol. 56 No. 7 / 15 February 2013.
Germany:
Thomas Mielke,
2013.
Hard Copy.