APA (7th ed.) Citation

Fox, M. W., & McNamara, L. F. (1986). Improved empirical world maps of foF2. IPS Radion and Space Services.

Chicago Style (17th ed.) Citation

Fox, M. W., and L. F. McNamara. Improved Empirical World Maps of FoF2. [Darlinghurst, N.S.W.]: IPS Radion and Space Services, 1986.

MLA (9th ed.) Citation

Fox, M. W., and L. F. McNamara. Improved Empirical World Maps of FoF2. IPS Radion and Space Services, 1986.