APA (7th ed.) Citation

Mortimer, S. M. (1978). What shall I readn: A select list of quality books for children (2nd ed.). The Library Association.

Chicago Style (17th ed.) Citation

Mortimer, Sheila M. What Shall I Readn: A Select List of Quality Books for Children. 2nd ed. London: The Library Association, 1978.

MLA (9th ed.) Citation

Mortimer, Sheila M. What Shall I Readn: A Select List of Quality Books for Children. 2nd ed. The Library Association, 1978.