APA (7th ed.) Citation

Calkins, L., & Harwayne, S. (1987). The writing workshop, a world of difference: A guide for staff development. Heinemann.

Chicago Style (17th ed.) Citation

Calkins, Lucy, and Shelley Harwayne. The Writing Workshop, a World of Difference: A Guide for Staff Development. Portsmouth, N.H.: Heinemann, 1987.

MLA (9th ed.) Citation

Calkins, Lucy, and Shelley Harwayne. The Writing Workshop, a World of Difference: A Guide for Staff Development. Heinemann, 1987.