APA (7th ed.) Citation

Thompson, R. J. (1985). Recurrent geomagnetic disturbances in 53 years of Ap indices. IPS Radio and Space Services.

Chicago Style (17th ed.) Citation

Thompson, R. J. Recurrent Geomagnetic Disturbances in 53 Years of Ap Indices. Darlinghurst: IPS Radio and Space Services, 1985.

MLA (9th ed.) Citation

Thompson, R. J. Recurrent Geomagnetic Disturbances in 53 Years of Ap Indices. IPS Radio and Space Services, 1985.