APA (7th ed.) Citation

Pitelka, D. R. Electron-microscopic structure of protozoa.

Chicago Style (17th ed.) Citation

Pitelka, Dorothy Riggs. Electron-microscopic Structure of Protozoa.

MLA (9th ed.) Citation

Pitelka, Dorothy Riggs. Electron-microscopic Structure of Protozoa.

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