APA

Cordero J. V., . (1975). Easy maps: the whole town in your hands. San Juan, P.R: E-Z Corporation.

Chicago

Cordero John V, . 1975. Easy maps: the whole town in your hands. San Juan, P.R: E-Z Corporation.

Harvard

Cordero J. V., . (1975). Easy maps: the whole town in your hands. San Juan, P.R: E-Z Corporation.

MLA

Cordero John V, . Easy maps: the whole town in your hands. San Juan, P.R: E-Z Corporation. 1975.