Cita APA (7th ed.)

(1953). Principles of invertebrate Paleonto-: Logy; a revised and enlarged ed. of. McGraw-Hill.

Cita Chicago (17th ed.)

Principles of Invertebrate Paleonto-: Logy; a Revised and Enlarged Ed. of. New York: McGraw-Hill, 1953.

Cita MLA (9th ed.)

Principles of Invertebrate Paleonto-: Logy; a Revised and Enlarged Ed. of. McGraw-Hill, 1953.