APA ציטוט

SIMPSON, G. G. (1964). Life of the past: An introductionto paleontology. YaleUniversity.

Chicago Style (17th ed.) Citation

SIMPSON, George Gaylord. Life of the Past: An Introductionto Paleontology. London: YaleUniversity, 1964.

ציטוט MLA

SIMPSON, George Gaylord. Life of the Past: An Introductionto Paleontology. YaleUniversity, 1964.