Cita APA

Callahan, S. C., & Egan, E. (1989). Psychology and the works of mercy.

Citación estilo Chicago

Callahan, Sidney Cornelia, and Eileen Egan. Psychology and the Works of Mercy. 1989.

Cita MLA

Callahan, Sidney Cornelia, and Eileen Egan. Psychology and the Works of Mercy. 1989.

Warning: These citations may not always be 100% accurate.