APA (7e ed.) Bronvermelding

Tyrrell, J. A., & Semple, J. G. (1971). Generalized Clifford parallelism. University Press.

Chicago (17e ed.) Bronvermelding

Tyrrell, J. A., en J. G. Semple. Generalized Clifford Parallelism. Cambridge [Eng.]: University Press, 1971.

MLA (8e ed.) Bronvermelding

Tyrrell, J. A., en J. G. Semple. Generalized Clifford Parallelism. University Press, 1971.