APA (7th ed.) Citation

Porritt, H. W., & Nicklin, W. (1912). Pitman' logarithms for business purposes. Isaac Pitman & Sons.

Chicago Style (17th ed.) Citation

Porritt, H. W., and William Nicklin. Pitman' Logarithms for Business Purposes. Bath: Isaac Pitman & Sons, 1912.

MLA (9th ed.) Citation

Porritt, H. W., and William Nicklin. Pitman' Logarithms for Business Purposes. Isaac Pitman & Sons, 1912.

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