APA (7th ed.) Citation

Smiser, J. S. (1935). A monograph of the Belgian cretaceous echinoids. Musee royal d'histoire naturelle de Belgique.

Chicago Style (17th ed.) Citation

Smiser, Jerome S. A Monograph of the Belgian Cretaceous Echinoids. Bruxelles: Musee royal d'histoire naturelle de Belgique, 1935.

MLA (9th ed.) Citation

Smiser, Jerome S. A Monograph of the Belgian Cretaceous Echinoids. Musee royal d'histoire naturelle de Belgique, 1935.