APA (7th ed.) Citation

Chamberlain, C. J. (1961). Gymnosperms: Structure and evolution (2. print. [of the ed.] Chicago, Ill., 1934.). Johnson.

Chicago Style (17th ed.) Citation

Chamberlain, Charles Joseph. Gymnosperms: Structure and Evolution. 2. print. [of the ed.] Chicago, Ill., 1934. New York [u.a.]: Johnson, 1961.

MLA (9th ed.) Citation

Chamberlain, Charles Joseph. Gymnosperms: Structure and Evolution. 2. print. [of the ed.] Chicago, Ill., 1934. Johnson, 1961.