APA Citation

Bonsall, S., & Willcocks, A. (1879). Computation of time: <reprinted from the Pennsylvania magazine of history and biography, vols. II [1878] and III [1879]>. [Philadelphia?]: Collins, printer.

Chicago Style Citation

Bonsall, Spencer., and Alexander Willcocks. Computation of Time: <reprinted From the Pennsylvania Magazine of History and Biography, Vols. II [1878] and III [1879]>. [Philadelphia?]: Collins, printer, 1879.

MLA Citation

Bonsall, Spencer., and Alexander Willcocks. Computation of Time: <reprinted From the Pennsylvania Magazine of History and Biography, Vols. II [1878] and III [1879]>. [Philadelphia?]: Collins, printer, 1879.

Warning: These citations may not always be 100% accurate.