APA Citatie

Ford, G. W., & Uhlenbeck, G. E. (1957). COMBINATORIAL PROBLEMS IN THE THEORY OF GRAPHS. IV. Proc Natl Acad Sci U S A.

Chicago Style citaat

Ford, G. W., en G. E. Uhlenbeck. "COMBINATORIAL PROBLEMS IN THE THEORY OF GRAPHS. IV." Proc Natl Acad Sci U S A 1957.

MLA citatie

Ford, G. W., en G. E. Uhlenbeck. "COMBINATORIAL PROBLEMS IN THE THEORY OF GRAPHS. IV." Proc Natl Acad Sci U S A 1957.