APA (7th ed.) Citation

Guevara, G. B. (1973). Across four generations. United Pub.

Chicago Style (17th ed.) Citation

Guevara, Guillermo B. Across Four Generations. [Manila: United Pub, 1973.

MLA (9th ed.) Citation

Guevara, Guillermo B. Across Four Generations. United Pub, 1973.

Warning: These citations may not always be 100% accurate.