Citazione Stile APA (7a Edizione)

Adriana, M., & Felix, B. (1978). Past events - present life: Social studies (7., rev. print.). Sree Rama Book Depot.

Citazione stile Chigago Style (17a edizione)

Adriana, M., e Br Felix. Past Events - Present Life: Social Studies. 7., rev. print. Secunderabad [u.a.]: Sree Rama Book Depot, 1978.

Citatione MLA (9a ed.)

Adriana, M., e Br Felix. Past Events - Present Life: Social Studies. 7., rev. print. Sree Rama Book Depot, 1978.