APA (7th ed.) Citation

Herold, P. G. (1958). Study of Missouri shales for lightweight aggregate. [publisher not identified].

Chicago Style (17th ed.) Citation

Herold, Paul George. Study of Missouri Shales for Lightweight Aggregate. Rolla: [publisher not identified], 1958.

MLA (9th ed.) Citation

Herold, Paul George. Study of Missouri Shales for Lightweight Aggregate. [publisher not identified], 1958.

Warning: These citations may not always be 100% accurate.