APA (7th ed.) Citation

Schnell, R. C. (1974). Biogenic sources of atmospheric ice nuclei. [publisher not identified].

Chicago Style (17th ed.) Citation

Schnell, Russell C. Biogenic Sources of Atmospheric Ice Nuclei. [Place of publication not identified]: [publisher not identified], 1974.

MLA (9th ed.) Citation

Schnell, Russell C. Biogenic Sources of Atmospheric Ice Nuclei. [publisher not identified], 1974.