APA aipamena

Villaverde, J. F., Beyer, H. O., Garvan, J. M., & Christie, E. B. Superstitions of the Ifugao Igorots.

Chicago Style aipamena

Villaverde, Juan Fernandez, Henry Otley Beyer, John M. Garvan, and Emerson B. Christie. Superstitions of the Ifugao Igorots.

MLA aipamena

Villaverde, Juan Fernandez, et al. Superstitions of the Ifugao Igorots.