Schuller, R. (1946). Living positively one day at a time. New York international bible society.
芝加哥风格引文Schuller, Robert. Living Positively One Day at a Time. New York: New York international bible society, 1946.
MLA引文Schuller, Robert. Living Positively One Day at a Time. New York international bible society, 1946.
警告：这些引文格式不一定是100％准确.