Gaya APA

McGraw-Hill, . (1971). McGraw-Hill encyclopedia of science & technology [Vol.13 SPIR-TOU] . New York: Pradnya Paramita.

Gaya MLA

McGraw-Hill, . "McGraw-Hill encyclopedia of science & technology [Vol.13 SPIR-TOU]". New York: Pradnya Paramita, 1971. Text.