APA (7th ed.) Citation

Giffen, R., Yule, G. U., & Higgs, H. (1913). Statistics: Written about the years 1898-1900. MacMillan and Co.

Chicago Style (17th ed.) Citation

Giffen, Robert, George Udny Yule, and Henry Higgs. Statistics: Written About the Years 1898-1900. London: MacMillan and Co, 1913.

MLA (9th ed.) Citation

Giffen, Robert, et al. Statistics: Written About the Years 1898-1900. MacMillan and Co, 1913.