APA

Morehead P., . (2001). The Penguin Roget's college thesaurus in dictionary form. Nueva York: Penguin Putnam, Inc.

Chicago

Morehead Philip, . 2001. The Penguin Roget's college thesaurus in dictionary form. Nueva York: Penguin Putnam, Inc.

Harvard

Morehead P., . (2001). The Penguin Roget's college thesaurus in dictionary form. Nueva York: Penguin Putnam, Inc.

MLA

Morehead Philip, . The Penguin Roget's college thesaurus in dictionary form. Nueva York: Penguin Putnam, Inc. 2001.