APA

Alexander M., . (1967). Introduction to soil microbiology. New York [u.a.]: Wiley.

Chicago

Alexander Martin, . 1967. Introduction to soil microbiology. New York [u.a.]: Wiley.

Harvard

Alexander M., . (1967). Introduction to soil microbiology. New York [u.a.]: Wiley.

MLA

Alexander Martin, . Introduction to soil microbiology. New York [u.a.]: Wiley. 1967.