Cita APA (7a ed.)

Niemelä, V. S., Barbá, R. H., & Morrell, N. I. (1998). Rapid Evolutionary Changes in the WR Binary HD 5980.

Cita Chicago Style (17a ed.)

Niemelä, Virpi Sinikka, Rodolfo Héctor Barbá, y Nidia Irene Morrell. Rapid Evolutionary Changes in the WR Binary HD 5980. 1998.

Cita MLA (8a ed.)

Niemelä, Virpi Sinikka, et al. Rapid Evolutionary Changes in the WR Binary HD 5980. 1998.