APA (7th ed.) Citation

Johnson, J. H. (1968). Lower Cretaceous algae from Texas. Colorado School of Mines.

Chicago Style (17th ed.) Citation

Johnson, J. Harlan. Lower Cretaceous Algae from Texas. Golden: Colorado School of Mines, 1968.

MLA (9th ed.) Citation

Johnson, J. Harlan. Lower Cretaceous Algae from Texas. Colorado School of Mines, 1968.

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