APA (7th ed.) Citation

Cosslett, V. E. (1947). The electron microscope. Sigma.

Chicago Style (17th ed.) Citation

Cosslett, V. E. The Electron Microscope. [London]: Sigma, 1947.

MLA (9th ed.) Citation

Cosslett, V. E. The Electron Microscope. Sigma, 1947.