Citazione Stile APA (7a Edizione)

Wickham, G., Castillo, G. T., & Torres, E. (1974). The farmer's laborer (an exploratory study in Laguna, Philippines). [s.n.].

Citazione stile Chigago Style (17a edizione)

Wickham, G., Gelia Tagumpay Castillo, e E.B Torres. The Farmer's Laborer (an Exploratory Study in Laguna, Philippines). College, Laguna: [s.n.], 1974.

Citatione MLA (9a ed.)

Wickham, G., et al. The Farmer's Laborer (an Exploratory Study in Laguna, Philippines). [s.n.], 1974.