Gaya APA

Boggs, S, W., Lewis, D, C. (s.a). The classification and cataloging of maps and atlases (s.a). : New York, Special Libraries Ass.,.

Gaya MLA

Boggs, Samuel, W., Lewis, Dorothy, C. "The classification and cataloging of maps and atlases". s.a : New York, Special Libraries Ass.,, s.a. Text.