توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Heidel, W. A. (1933). The heroic age of science: The conception, ideals, and methods of science among the ancient Greeks. Pub. for Carnegie institution of Washington by the Williams & Wilkins company.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Heidel, William Arthur. The Heroic Age of Science: The Conception, Ideals, and Methods of Science Among the Ancient Greeks. Baltimore: Pub. for Carnegie institution of Washington by the Williams & Wilkins company, 1933.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Heidel, William Arthur. The Heroic Age of Science: The Conception, Ideals, and Methods of Science Among the Ancient Greeks. Pub. for Carnegie institution of Washington by the Williams & Wilkins company, 1933.