APA ציטוט

Graham, S. A. (1943). Causes of hemlock mortality in northern Michigan. University of Michigan press.

Chicago Style (17th ed.) Citation

Graham, Samuel Alexander. Causes of Hemlock Mortality in Northern Michigan. Ann Arbor: University of Michigan press, 1943.

ציטוט MLA

Graham, Samuel Alexander. Causes of Hemlock Mortality in Northern Michigan. University of Michigan press, 1943.