APA (7th ed.) Citation

(1977). Oil gas: European magazine ; international edition of Erdöl Erdgas Kohle. DVV Media Group GmbH.

Chicago Style (17th ed.) Citation

Oil Gas: European Magazine ; International Edition of Erdöl Erdgas Kohle. Hamburg: DVV Media Group GmbH, 1977.

MLA (9th ed.) Citation

Oil Gas: European Magazine ; International Edition of Erdöl Erdgas Kohle. DVV Media Group GmbH, 1977.

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