APA (7th ed.) Citation

Paquet, A., Bender, R., & Seifert, W. (1992). Metallicity gradients in the disks of so galaxies. The stellar populations of galaxies.

Chicago Style (17th ed.) Citation

Paquet, Alexander, Ralf Bender, and Walter Seifert. "Metallicity Gradients in the Disks of so Galaxies." The Stellar Populations of Galaxies 1992.

MLA (9th ed.) Citation

Paquet, Alexander, et al. "Metallicity Gradients in the Disks of so Galaxies." The Stellar Populations of Galaxies, 1992.

Warning: These citations may not always be 100% accurate.