APA Style

Branley, Franklyn M.. (1989). What Happened to the Dinosaurs? . New York :: Harper Collins.

Chicago Style

Branley, Franklyn M.. What Happened to the Dinosaurs?. New York :: Harper Collins, 1989. Text.

MLA Style

Branley, Franklyn M.. What Happened to the Dinosaurs?. New York :: Harper Collins, 1989. Text.

Turabian Style

Branley, Franklyn M.. What Happened to the Dinosaurs?. New York :: Harper Collins, 1989. Print.