Margrain, E., Margrain, R., Robinson, A., & Stevenson, J. (1988). GCSE biology questions: E. Margrain, R. Margrain, A. Robinson, J. Stevenson. Blackie.
芝加哥风格引文Margrain, Elza, R. Margrain, A. Robinson, 与 J. Stevenson. GCSE Biology Questions: E. Margrain, R. Margrain, A. Robinson, J. Stevenson. London: Blackie, 1988.
MLA引文Margrain, Elza, et al. GCSE Biology Questions: E. Margrain, R. Margrain, A. Robinson, J. Stevenson. Blackie, 1988.
警告：这些引文格式不一定是100％准确.