APA (7th ed.) Citation

Roberts, P., & Kellough, R. D. (2000). A guide for developing interdisciplinary thematic units (2nd ed.). Merrill.

Chicago Style (17th ed.) Citation

Roberts, Patricia, and Richard D. Kellough. A Guide for Developing Interdisciplinary Thematic Units. 2nd ed. Upper Saddle River, N.J: Merrill, 2000.

MLA (9th ed.) Citation

Roberts, Patricia, and Richard D. Kellough. A Guide for Developing Interdisciplinary Thematic Units. 2nd ed. Merrill, 2000.