APA

Stowell(Gordon), . (1974). The Book Of Knowledge.Vol.6. : .

Chicago

Stowell(Gordon), . 1974. The Book Of Knowledge.Vol.6. : .

Harvard

Stowell(Gordon), . (1974). The Book Of Knowledge.Vol.6. : .

MLA

Stowell(Gordon), . The Book Of Knowledge.Vol.6. : . 1974.