Cita APA (7a ed.)

ISTA Mielke GmbH & Mielke, T. (1996). Oil World Annual 1996. ISTA Mielke GmbH.

Cita Chicago Style (17a ed.)

ISTA Mielke GmbH y Thomas Mielke. Oil World Annual 1996. Hamburg: ISTA Mielke GmbH, 1996.

Cita MLA (9a ed.)

ISTA Mielke GmbH y Thomas Mielke. Oil World Annual 1996. ISTA Mielke GmbH, 1996.