Cita APA (7a ed.)

Pasquini, L., Mauas, P., Käufl, H., & Cacciari, C. Measuring helium abundance difference in giants of NGC 2808.

Cita Chicago Style (17a ed.)

Pasquini, L., P. Mauas, H.U Käufl, y C. Cacciari. Measuring Helium Abundance Difference in Giants of NGC 2808.

Cita MLA (8a ed.)

Pasquini, L., et al. Measuring Helium Abundance Difference in Giants of NGC 2808.

Precaución: Estas citas no son 100% exactas.