APA (7th ed.) Citation

Thompson, R. (1987). The amplitude of solar cycle number 22. IPS Radio and Space Services.

Chicago Style (17th ed.) Citation

Thompson, R.J. The Amplitude of Solar Cycle Number 22. Darlinghurst, N.S.W.: IPS Radio and Space Services, 1987.

MLA (9th ed.) Citation

Thompson, R.J. The Amplitude of Solar Cycle Number 22. IPS Radio and Space Services, 1987.