APA
KEDLAYA K. S., Bjorn Poonen & Ravi Vakil. (2002). The William Lowell Putnam Mathematical Competition 1985-2000. Washington: The Mathematical Association Of America.
Chicago
KEDLAYA Kiran S, Bjorn Poonen and Ravi Vakil. 2002. The William Lowell Putnam Mathematical Competition 1985-2000. Washington: The Mathematical Association Of America.
Harvard
KEDLAYA K. S., Bjorn Poonen and Ravi Vakil. (2002). The William Lowell Putnam Mathematical Competition 1985-2000. Washington: The Mathematical Association Of America.
MLA
KEDLAYA Kiran S, Bjorn Poonen and Ravi Vakil. The William Lowell Putnam Mathematical Competition 1985-2000. Washington: The Mathematical Association Of America. 2002.