توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Bergey, D. H. (1921). The principles of hygiene: A practical manual for students, physicians, and health-officers (7th ed., thoroughly rev.). W. B. Saunders company.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Bergey, D. H. The Principles of Hygiene: A Practical Manual for Students, Physicians, and Health-officers. 7th ed., thoroughly rev. Philadelphia and London: W. B. Saunders company, 1921.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Bergey, D. H. The Principles of Hygiene: A Practical Manual for Students, Physicians, and Health-officers. 7th ed., thoroughly rev. W. B. Saunders company, 1921.