APA (7th ed.) Citation

Johnstone, A. D. (1991). Cometary plasma processes. American Geophysical Union.

Chicago Style (17th ed.) Citation

Johnstone, Alan D. Cometary Plasma Processes. Washington, D.C.: American Geophysical Union, 1991.

MLA (9th ed.) Citation

Johnstone, Alan D. Cometary Plasma Processes. American Geophysical Union, 1991.

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