APA (7th ed.) Citation

Fawcett, J., & Downs, F. S. (1986). The relationship of theory and research. Appleton-Century-Crofts.

Chicago Style (17th ed.) Citation

Fawcett, Jacqueline, and Florence S. Downs. The Relationship of Theory and Research. Norwalk, Conn.: Appleton-Century-Crofts, 1986.

MLA (9th ed.) Citation

Fawcett, Jacqueline, and Florence S. Downs. The Relationship of Theory and Research. Appleton-Century-Crofts, 1986.