APA

McCallum G. P., . (1982). Words people use: passive/active vocabulary skills for students of English as a second language. New York: Harper & Row.

Chicago

McCallum George P, . 1982. Words people use: passive/active vocabulary skills for students of English as a second language. New York: Harper & Row.

Harvard

McCallum G. P., . (1982). Words people use: passive/active vocabulary skills for students of English as a second language. New York: Harper & Row.

MLA

McCallum George P, . Words people use: passive/active vocabulary skills for students of English as a second language. New York: Harper & Row. 1982.