APA (7th ed.) Citation

Dash, Datta, & Kapur. (1999). Earth: What?which?why?how?when? Learners Press Private Limited.

Chicago Style (17th ed.) Citation

Dash, Datta, and Kapur. Earth: What?which?why?how?when? New Delhi: Learners Press Private Limited, 1999.

MLA (8th ed.) Citation

Dash, et al. Earth: What?which?why?how?when? Learners Press Private Limited, 1999.

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