APA (7th ed.) Citation

(1990). Quintessence international. Quintessenz Verlags-GmbH.

Chicago Style (17th ed.) Citation

Quintessence International. Berlin: Quintessenz Verlags-GmbH, 1990.

MLA (9th ed.) Citation

Quintessence International. Quintessenz Verlags-GmbH, 1990.

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