توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Craik, G. L., & Wayland, F. (1840). Pursuit of knowledge under difficulties: Illustrated by anecdotes : with preface and notes (Rev. ed.). Marsh, Capen, Lyon, and Webb.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Craik, George L., و Francis Wayland. Pursuit of Knowledge Under Difficulties: Illustrated by Anecdotes : With Preface and Notes. Rev. ed. Boston: Marsh, Capen, Lyon, and Webb, 1840.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Craik, George L., و Francis Wayland. Pursuit of Knowledge Under Difficulties: Illustrated by Anecdotes : With Preface and Notes. Rev. ed. Marsh, Capen, Lyon, and Webb, 1840.