APA

Behrens L., . (1985). Writing and reading across the curriculum. Estados Unidos: Little, brown and company.

Chicago

Behrens Laurence, . 1985. Writing and reading across the curriculum. Estados Unidos: Little, brown and company.

Harvard

Behrens L., . (1985). Writing and reading across the curriculum. Estados Unidos: Little, brown and company.

MLA

Behrens Laurence, . Writing and reading across the curriculum. Estados Unidos: Little, brown and company. 1985.