Raven, P. H., Berg, L. R., & Johnson, G. B. (1993). Environment. Saunders College Pub.
芝加哥风格引文Raven, Peter H., Linda R. Berg, 与 George Brooks Johnson. Environment. Fort Worth, TX: Saunders College Pub, 1993.
MLA引文Raven, Peter H., et al. Environment. Saunders College Pub, 1993.
警告：这些引文格式不一定是100％准确.