Lovell, B., & Lovell, M. J. (1963). Discovering the universe. Benn.
芝加哥风格引文Lovell, Bernard, 与 Mary Jane Lovell. Discovering the Universe. Lond.: Benn, 1963.
MLA引文Lovell, Bernard, 与 Mary Jane Lovell. Discovering the Universe. Benn, 1963.
警告：这些引文格式不一定是100％准确.