Cita APA (7a ed.)

Cooley, J. S. (1942). Factors affecting distribution and severity of black root tor of apple trees.

Cita Chicago Style (17a ed.)

Cooley, J. S. Factors Affecting Distribution and Severity of Black Root Tor of Apple Trees. Washington, 1942.

Cita MLA (8a ed.)

Cooley, J. S. Factors Affecting Distribution and Severity of Black Root Tor of Apple Trees. 1942.