APA (7th ed.) Citation

Institute of Positive Education (Chicago, Ill.). Black books bulletin. Institute of Positive Education.

Chicago Style (17th ed.) Citation

Institute of Positive Education (Chicago, Ill.). Black Books Bulletin. Chicago: Institute of Positive Education.

MLA (9th ed.) Citation

Institute of Positive Education (Chicago, Ill.). Black Books Bulletin. Institute of Positive Education.

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