Παραπομπή APA

Horgan, P. (1964). Things as they are. New York: Straus and company.

Παραπομπή Chicago Style

Horgan, Paul. Things As They Are. New York: Straus and company, 1964.

Παραπομπή MLA

Horgan, Paul. Things As They Are. New York: Straus and company, 1964.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.