Cita APA (7a ed.)

Molnar, H. (1980). Eu, La and Sm in sunspot spectra.

Cita Chicago Style (17a ed.)

Molnar, H. Eu, La and Sm in Sunspot Spectra. 1980.

Cita MLA (8a ed.)

Molnar, H. Eu, La and Sm in Sunspot Spectra. 1980.