Citazione Stile APA (7a Edizione)

(1913). Inherited tendencies of secondary instruction in the United States / by Herbert Galen Lull.

Citazione stile Chigago Style (17a edizione)

Inherited Tendencies of Secondary Instruction in the United States / by Herbert Galen Lull. 1913.

Citatione MLA (9a ed.)

Inherited Tendencies of Secondary Instruction in the United States / by Herbert Galen Lull. 1913.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.