APA (7th ed.) Citation

Santos, E., & Ramirez, N. (1973). World champions from Ruy Lopez, 1570 to 1972, Fischer. Shakh Pub.

Chicago Style (17th ed.) Citation

Santos, Ernie, and Nina Ramirez. World Champions from Ruy Lopez, 1570 to 1972, Fischer. Caloocan City: Shakh Pub, 1973.

MLA (9th ed.) Citation

Santos, Ernie, and Nina Ramirez. World Champions from Ruy Lopez, 1570 to 1972, Fischer. Shakh Pub, 1973.