Παραπομπή σε μορφή APA (7η εκδ.)

Polster, B. (2006). The shoelace book: A mathematical guide to the best (and worst) ways to lace your shoes. American Mathematical Society.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Polster, Burkard. The Shoelace Book: A Mathematical Guide to the Best (and Worst) Ways to Lace Your Shoes. Providence, RI: American Mathematical Society, 2006.

Παραπομπή σε μορφή MLA (9th εκδ.)

Polster, Burkard. The Shoelace Book: A Mathematical Guide to the Best (and Worst) Ways to Lace Your Shoes. American Mathematical Society, 2006.