توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Whitaker, W. (1877). The geology of the eastern end of Essex (Walton Naze and Harwich): Explanation of quarter sheet 48 S. E. with the adjoining part of 48 N. E.). Printed for H. M. Stationery off..

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Whitaker, W. The Geology of the Eastern End of Essex (Walton Naze and Harwich): Explanation of Quarter Sheet 48 S. E. with the Adjoining Part of 48 N. E.). London: Printed for H. M. Stationery off., 1877.

توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)

Whitaker, W. The Geology of the Eastern End of Essex (Walton Naze and Harwich): Explanation of Quarter Sheet 48 S. E. with the Adjoining Part of 48 N. E.). Printed for H. M. Stationery off., 1877.