Wrathall, A. E. (1971). Ovulation rate and its influence on prenatal survival and litter size in pigs. Commonwealth Agricultural Bureaux.
Chicago Style (17th ed.) CitationWrathall, A. E. Ovulation Rate and Its Influence on Prenatal Survival and Litter Size in Pigs. Farnham Royal, England: Commonwealth Agricultural Bureaux, 1971.
MLA (9th ed.) CitationWrathall, A. E. Ovulation Rate and Its Influence on Prenatal Survival and Litter Size in Pigs. Commonwealth Agricultural Bureaux, 1971.
Warning: These citations may not always be 100% accurate.