Gaya APA

CROWELL, R, H., Fox, R, H. (1963). INTRODUCTION TO KNOT THEORY . New York: BLAISDELL PUBLISHING COMPANY.

Gaya MLA

CROWELL, Richard, H.., Fox, Ralph, H.. "INTRODUCTION TO KNOT THEORY". New York: BLAISDELL PUBLISHING COMPANY, 1963. Textbook.