Παραπομπή σε μορφή APA (7η εκδ.)

Whitehead, G. W. (1970). Recent advances in homotopy theory. Published for the Conference Board of the Mathematical Sciences by the American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Whitehead, George W. Recent Advances in Homotopy Theory. Providence: Published for the Conference Board of the Mathematical Sciences by the American Mathematical Society, 1970.

Παραπομπή σε μορφή MLA (9th εκδ.)

Whitehead, George W. Recent Advances in Homotopy Theory. Published for the Conference Board of the Mathematical Sciences by the American Mathematical Society, 1970.