Style de citation APA (7e éd.)

Goebel, K., Sachs, J., Garnsey, H. E. F., & Balfour, I. B. (1887). Outlines of classification and special morphology of plants. Clarendon Press.

Style de citation Chicago (17e éd.)

Goebel, K., Julius Sachs, Henry E. F. Garnsey, et Isaac Bayley Balfour. Outlines of Classification and Special Morphology of Plants. Oxford: Clarendon Press, 1887.

Style de citation MLA (8e éd.)

Goebel, K., et al. Outlines of Classification and Special Morphology of Plants. Clarendon Press, 1887.