Cita APA (7th ed.)

Fawcett, J., & Downs, F. S. (1994). The relationship of theory and research (Second edition.). Info Access & Distribution.

Cita Chicago (17th ed.)

Fawcett, Jacqueline, i Florence S. Downs. The Relationship of Theory and Research. Second edition. Singapore: Info Access & Distribution, 1994.

Cita MLA (9th ed.)

Fawcett, Jacqueline, i Florence S. Downs. The Relationship of Theory and Research. Second edition. Info Access & Distribution, 1994.