Geology from original sources :
organized collateral readings for students in general geology /
compiled and arranged by William M. Agar, Richard Foster Flint, and Chester R. Longwell.

APA Citation

Agar, W. Macdonough., Longwell, C. R. (Chester Ray)., Flint, R. Foster. (1929). Geology from original sources: organized collateral readings for students in general geology. New York: H. Holt and company.

MLA Citation

Agar, William Macdonough, 1894-, Chester R. (Chester Ray) Longwell, and Richard Foster Flint. Geology From Original Sources: Organized Collateral Readings for Students In General Geology. New York: H. Holt and company, 1929.

Warning: These citations may not always be complete (especially for serials).