Cita APA (7a ed.)
Schuller, R. (1946). Living positively one day at a time. New York international bible society.
Cita Chicago Style (17a ed.)
Schuller, Robert. Living Positively One Day at a Time. New York: New York international bible society, 1946.
Cita MLA (9a ed.)
Schuller, Robert. Living Positively One Day at a Time. New York international bible society, 1946.
Precaución: Estas citas no son 100% exactas.