Cita APA (7a ed.)

Loomis, E. S. (1968). The pythagorean proposition: Its demonstration analyzed and classified and bibliography of sources of the four kinds of "Proofs". National Council of Teachers of Mathematics.

Cita Chicago Style (17a ed.)

Loomis, Elisha Scott. The Pythagorean Proposition: Its Demonstration Analyzed and Classified and Bibliography of Sources of the Four Kinds of "Proofs". Washington, D.C: National Council of Teachers of Mathematics, 1968.

Cita MLA (9a ed.)

Loomis, Elisha Scott. The Pythagorean Proposition: Its Demonstration Analyzed and Classified and Bibliography of Sources of the Four Kinds of "Proofs". National Council of Teachers of Mathematics, 1968.