APA

Rehder A., . (1940). Manual of cultivated trees and shrubs : hardy in North America, exclusive of the subtropical and warmer temperate regions. New York: Macmillan.

Chicago

Rehder Alfred, . 1940. Manual of cultivated trees and shrubs : hardy in North America, exclusive of the subtropical and warmer temperate regions. New York: Macmillan.

Harvard

Rehder A., . (1940). Manual of cultivated trees and shrubs : hardy in North America, exclusive of the subtropical and warmer temperate regions. New York: Macmillan.

MLA

Rehder Alfred, . Manual of cultivated trees and shrubs : hardy in North America, exclusive of the subtropical and warmer temperate regions. New York: Macmillan. 1940.