APA (7th ed.) Citation

Sherlock, R. L. (1948). The Permo-Triassic formations: A world review. Hutchinson's Scientific and Technical Publications.

Chicago Style (17th ed.) Citation

Sherlock, Robert Lionel. The Permo-Triassic Formations: A World Review. London, New York: Hutchinson's Scientific and Technical Publications, 1948.

MLA (9th ed.) Citation

Sherlock, Robert Lionel. The Permo-Triassic Formations: A World Review. Hutchinson's Scientific and Technical Publications, 1948.