When a citation includes more than ___ authors, only the surname of the first author followed by et al. is used.

When a citation includes more than ___ authors, only the surname of the first author followed by et al. is used. Options: (a) 3 (b) 5 (c) 4 (d) 6 ✅ Correct Option: (c) 4 Explanation (200+ words): In standard academic writing styles, when a work has more than four authors, only the surname of the first author is cited followed by et al., which means “and others.” This practice keeps citations concise and readable. Using et al. prevents overcrowding of text and maintains clarity in research reports. However, full author details are provided in the reference list. 10 PPSC-Related Facts: 1. Et al. means “and others” 2. Used for multiple authors 3. Improves readability 4. Common in APA style 5. First author is highlighted 6. Full citation in references 7. Saves space 8. Standard academic practice 9. Ensures consistency 10. Avoids repetition