Cita APA (7a ed.)

Westenfelder, M., & Westenfelder, K. M. (2018). Operative Therapie der Hypospadie: Martin Westenfelder, Kay Markus Westenfelder. Springer.

Cita Chicago Style (17a ed.)

Westenfelder, Martin, y Kay Markus Westenfelder. Operative Therapie Der Hypospadie: Martin Westenfelder, Kay Markus Westenfelder. Berlin: Springer, 2018.

Cita MLA (8a ed.)

Westenfelder, Martin, y Kay Markus Westenfelder. Operative Therapie Der Hypospadie: Martin Westenfelder, Kay Markus Westenfelder. Springer, 2018.