APA Style

SMITH, GILBERT M.. (1950). The fresh-water algae of the United States (2nd). New York: McGraw-Hill.

Chicago Style

SMITH, GILBERT M.. The fresh-water algae of the United States. 2nd New York: McGraw-Hill, 1950. TXB.

MLA Style

SMITH, GILBERT M.. The fresh-water algae of the United States. 2nd New York: McGraw-Hill, 1950. TXB.

Turabian Style

SMITH, GILBERT M.. The fresh-water algae of the United States. 2nd New York: McGraw-Hill, 1950. TXB.