Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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