Cita APA (7a ed.)

Gerola, H., Fulchignoni, M., & Panagia, N. (1970). Lyman alfa and excitation mechanism.

Cita Chicago Style (17a ed.)

Gerola, H., M.M Fulchignoni, y N. Panagia. Lyman Alfa and Excitation Mechanism. 1970.

Cita MLA (8a ed.)

Gerola, H., et al. Lyman Alfa and Excitation Mechanism. 1970.