Citazione Stile APA (7a Edizione)

Scheffler, I. (1900). Conditions of knowledge: And introduction to epistemology and education. Scott Foresman.

Citazione stile Chigago Style (17a edizione)

Scheffler, Israel. Conditions of Knowledge: And Introduction to Epistemology and Education. Glenview: Scott Foresman, 1900.

Citatione MLA (9a ed.)

Scheffler, Israel. Conditions of Knowledge: And Introduction to Epistemology and Education. Scott Foresman, 1900.