APA (7th ed.) Citation

<GUPTA, H. C. &. D. R. M. Theory of machines. Satya Prakashan.

Chicago Style (17th ed.) Citation

<GUPTA, H. C. & D. R. Malhotra>. Theory of Machines. Satya Prakashan.

MLA (8th ed.) Citation

<GUPTA, H. C. & D. R. Malhotra>. Theory of Machines. Satya Prakashan.

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