Cita APA (7a ed.)

Kraus-Boelte, M., & Kraus, J. The kindergarten guide. An illustrated hand-book, designed for the self-instruction of kindergartners, mothers, and nurses / by Maria Kraus-Boelte and John Kraus.

Cita Chicago Style (17a ed.)

Kraus-Boelte, Maria, y John Kraus. The Kindergarten Guide. An Illustrated Hand-book, Designed for the Self-instruction of Kindergartners, Mothers, and Nurses / by Maria Kraus-Boelte and John Kraus. New York : E. Steiger & co. ; London : A. N. Myers & co., 19--.

Cita MLA (8a ed.)

Kraus-Boelte, Maria, y John Kraus. The Kindergarten Guide. An Illustrated Hand-book, Designed for the Self-instruction of Kindergartners, Mothers, and Nurses / by Maria Kraus-Boelte and John Kraus.