APA (7th ed.) Citation

Roberts, I. J., Gützlaff, K. F. A., & Parker, P. The China mission advocate.

Chicago Style (17th ed.) Citation

Roberts, Issachar J., Karl Friedrich August Gützlaff, and Peter Parker. The China Mission Advocate. Louisville, Ky.

MLA (9th ed.) Citation

Roberts, Issachar J., et al. The China Mission Advocate.