APA (7th ed.) Citation

OAPEN Foundation. (2012). Directory of open access books. OAPEN Foundation.

Chicago Style (17th ed.) Citation

OAPEN Foundation. Directory of Open Access Books. [The Hague]: OAPEN Foundation, 2012.

MLA (9th ed.) Citation

OAPEN Foundation. Directory of Open Access Books. OAPEN Foundation, 2012.

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