APA

Philp H. L., . (1944). Memory. London: The Psychologist.

Chicago

Philp Howard Littleton, . 1944. Memory. London: The Psychologist.

Harvard

Philp H. L., . (1944). Memory. London: The Psychologist.

MLA

Philp Howard Littleton, . Memory. London: The Psychologist. 1944.