I know why the caged bird sings, by Maya Angelou :
teacher guide /
written by Phyllis A. Green.

APA Citation

Green, P. A. (Phyllis Ann). (2000). I know why the caged bird sings, by Maya Angelou: teacher guide. San Antonio, TX: Novel Units.

MLA Citation

Green, Phyllis A. (Phyllis Ann), 1943-. I Know Why the Caged Bird Sings, by Maya Angelou: Teacher Guide. San Antonio, TX: Novel Units, 2000.

Warning: These citations may not always be complete (especially for serials).