Introduction to Logic and Theory of Knowledge
  MLA
  Husserl, Edmund, et al. Introduction to Logic and Theory of Knowledge. Springer, 2008.
  APA
  Husserl, E., Hill, C. Ortiz, Melle, U., & Ortiz Hill, C. (2008). Introduction to Logic and Theory of Knowledge. Springer.
  Chicago
  Husserl, Edmund, Claire Ortiz Hill, Ullrich Melle, and Claire Ortiz Hill. Introduction to Logic and Theory of Knowledge. : Springer, 2008.