Cita APA (7a ed.)

FRANCISCO DE SALES, S., & RYAN, J. K. (1955). Introduction to the devout Life. Doubleday & Company.

Cita Chicago Style (17a ed.)

FRANCISCO DE SALES, San, y John K. RYAN. Introduction to the Devout Life. Garden City: Doubleday & Company, 1955.

Cita MLA (9a ed.)

FRANCISCO DE SALES, San, y John K. RYAN. Introduction to the Devout Life. Doubleday & Company, 1955.