APA

Greulach V. A., Adams J. E., . (1967). Plants, an introduction to modern botany. New York: John Wiley & Sons.

Chicago

Greulach Victor A, Adams J Edison, . 1967. Plants, an introduction to modern botany. New York: John Wiley & Sons.

Harvard

Greulach V. A., Adams J. E., . (1967). Plants, an introduction to modern botany. New York: John Wiley & Sons.

MLA

Greulach Victor A, Adams J Edison, . Plants, an introduction to modern botany. New York: John Wiley & Sons. 1967.