Pickering, C. Chronological history of plants: Man's record of his own existence illustrated through their names, uses,and companionship.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Pickering, Charles. Chronological History of Plants: Man's Record of His Own Existence Illustrated Through Their Names, Uses,and Companionship.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Pickering, Charles. Chronological History of Plants: Man's Record of His Own Existence Illustrated Through Their Names, Uses,and Companionship.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.