APA (7th ed.) Citation

Bacha, N. S., Hanania, E. A. S., & Lombardo, M. (1980). Difficulty in learning and effectiveness of teaching transitional words.

Chicago Style (17th ed.) Citation

Bacha, Nola S., Edith A. S. Hanania, and Maria Lombardo. Difficulty in Learning and Effectiveness of Teaching Transitional Words. 1980.

MLA (9th ed.) Citation

Bacha, Nola S., et al. Difficulty in Learning and Effectiveness of Teaching Transitional Words. 1980.