Cita APA (7a ed.)

Hamburger, S., Hölzel, E., & Alge, S. (1911). English lessons after S. Alge's method for the first instruction in foreign languages with Ed. Hölzel's pictures (9th ed.). Fehr Publishers.

Cita Chicago Style (17a ed.)

Hamburger, Sophie, Eduard Hölzel, y Sines Alge. English Lessons After S. Alge's Method for the First Instruction in Foreign Languages with Ed. Hölzel's Pictures. 9th ed. St. Gall: Fehr Publishers, 1911.

Cita MLA (9a ed.)

Hamburger, Sophie, et al. English Lessons After S. Alge's Method for the First Instruction in Foreign Languages with Ed. Hölzel's Pictures. 9th ed. Fehr Publishers, 1911.