Harvey, P. H., Partridge, L., & Southwood, R. (1991). The evolution of reproductive strategies: Proceedings of a Royal Society Discussion meeting held on 17 and 18 october 1990. The Royal Society.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Harvey, Paul H., L. Partridge, و Richard Southwood. The Evolution of Reproductive Strategies: Proceedings of a Royal Society Discussion Meeting Held on 17 and 18 October 1990. London, United Kingdom: The Royal Society, 1991.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Harvey, Paul H., et al. The Evolution of Reproductive Strategies: Proceedings of a Royal Society Discussion Meeting Held on 17 and 18 October 1990. The Royal Society, 1991.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.