APA (7th ed.) Citation

Paquet, A., Bender, R., & Seifert, W. (1992). Line-strength gradients in so galaxies. Morphological and physical classification of galaxies.

Chicago Style (17th ed.) Citation

Paquet, Alexander, Ralf Bender, and Walter Seifert. "Line-strength Gradients in so Galaxies." Morphological and Physical Classification of Galaxies 1992.

MLA (9th ed.) Citation

Paquet, Alexander, et al. "Line-strength Gradients in so Galaxies." Morphological and Physical Classification of Galaxies, 1992.

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