Institute of Positive Education (Chicago, Ill.). Black books bulletin. Institute of Positive Education.
Chicago Style (17th ed.) CitationInstitute of Positive Education (Chicago, Ill.). Black Books Bulletin. Chicago: Institute of Positive Education.
MLA (9th ed.) CitationInstitute of Positive Education (Chicago, Ill.). Black Books Bulletin. Institute of Positive Education.
Warning: These citations may not always be 100% accurate.