APA (7th ed.) Citation

Pullin, V. E. A. (1927). Sir Isaac Newton: A biographical sketch. E. Benn.

Chicago Style (17th ed.) Citation

Pullin, Victor Edward Anthony. Sir Isaac Newton: A Biographical Sketch. London: E. Benn, 1927.

MLA (9th ed.) Citation

Pullin, Victor Edward Anthony. Sir Isaac Newton: A Biographical Sketch. E. Benn, 1927.