APA (7th ed.) Citation

Tschudy, R. H. (1975). Normapolles pollen from the Mississippi embayment. U.S. Govt. Print. Off.

Chicago Style (17th ed.) Citation

Tschudy, Robert H. Normapolles Pollen from the Mississippi Embayment. Washington: U.S. Govt. Print. Off, 1975.

MLA (9th ed.) Citation

Tschudy, Robert H. Normapolles Pollen from the Mississippi Embayment. U.S. Govt. Print. Off, 1975.