RYAN, J. (1960). Learning to swim is fun. The Ronald Press.
芝加哥风格引文RYAN, Jack. Learning to Swim Is Fun. New York: The Ronald Press, 1960.
MLA引文RYAN, Jack. Learning to Swim Is Fun. The Ronald Press, 1960.
警告：这些引文格式不一定是100％准确.
APA引文