APA (7th ed.) Citation

(1979). The encyclopedia of prehistoric life (1. publ.). McGraw-Hill.

Chicago Style (17th ed.) Citation

The Encyclopedia of Prehistoric Life. 1. publ. New York u.a: McGraw-Hill, 1979.

MLA (9th ed.) Citation

The Encyclopedia of Prehistoric Life. 1. publ. McGraw-Hill, 1979.