APA način citiranja

Hulburt, E. O. (1957). VARIATIONS OF THE IONOSPHERE AND OF THE SOLAR INTENSITY WITH SUNSPOTS.

Čikaški stil citiranja

Hulburt, E. O. VARIATIONS OF THE IONOSPHERE AND OF THE SOLAR INTENSITY WITH SUNSPOTS. 1957.

MLA način citiranja

Hulburt, E. O. VARIATIONS OF THE IONOSPHERE AND OF THE SOLAR INTENSITY WITH SUNSPOTS. 1957.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.