APA

Mortimer P., . (19681967). My friend says it's bulletproof. New York: Random House.

Chicago

Mortimer Penelope, . 19681967. My friend says it's bulletproof. New York: Random House.

Harvard

Mortimer P., . (19681967). My friend says it's bulletproof. New York: Random House.

MLA

Mortimer Penelope, . My friend says it's bulletproof. New York: Random House. 19681967.