Cita APA (7th ed.)

Polgar, S., & Thomas, S. (2020). Introduction to Research in the Health Sciences (7th ed.). Elsevier.

Cita Chicago (17th ed.)

Polgar, Stephen, i Shane Thomas. Introduction to Research in the Health Sciences. 7th ed. New York: Elsevier, 2020.

Cita MLA (9th ed.)

Polgar, Stephen, i Shane Thomas. Introduction to Research in the Health Sciences. 7th ed. Elsevier, 2020.