APA Format
Ram, Suresh. (1972).
Srinivasa Ramanujan / Suresh Ram
. New Delhi :: National Book Trust,.
MLA Format
Ram, Suresh.
Srinivasa Ramanujan / Suresh Ram
. New Delhi :: National Book Trust,, 1972
Chicago Format
Ram, Suresh. Srinivasa Ramanujan / Suresh Ram. New Delhi :: National Book Trust,, 1972.