Lines of contact

MLA

Fletcher, John M, and Hilde Symoens. Lines of Contact. Gent: Universiteit Gent, 1994.

APA

Fletcher, J. M, & Symoens, H. (1994). Lines of contact. Gent: Universiteit Gent.

Chicago

Fletcher, John M., and Hilde Symoens. Lines of Contact. Gent: Universiteit Gent, 1994.