APA (7th ed.) Citation

ISTA Mielke GmbH. (1998). Oil world annual 1998. ISTA Mielke GmbH.

Chicago Style (17th ed.) Citation

ISTA Mielke GmbH. Oil World Annual 1998. Hamburg: ISTA Mielke GmbH, 1998.

MLA (9th ed.) Citation

ISTA Mielke GmbH. Oil World Annual 1998. ISTA Mielke GmbH, 1998.

Warning: These citations may not always be 100% accurate.