Citazione APA

Parīkha, H., & Vaidyanathan, K. (1973). Light in darkness ([1st ed.].). Sarva Seva Sangh Prakashan.

Stile di citazione Chicago

Parīkha, Harivallabh, e K. Vaidyanathan. Light in Darkness. [1st ed.]. Varanasi: Sarva Seva Sangh Prakashan, 1973.

Citazione MLA

Parīkha, Harivallabh, e K. Vaidyanathan. Light in Darkness. [1st ed.]. Sarva Seva Sangh Prakashan, 1973.