APA (7th ed.) Citation

Unwin, N. S. (1900). Matthew, Mark, Luke and John. The Challenge.

Chicago Style (17th ed.) Citation

Unwin, Nora S. Matthew, Mark, Luke and John. [London]: The Challenge, 1900.

MLA (9th ed.) Citation

Unwin, Nora S. Matthew, Mark, Luke and John. The Challenge, 1900.