Style de citation APA (7e éd.)

Soroñgon, R. G. (1983). The first guide to climbing Mt. Apo.

Style de citation Chicago (17e éd.)

Soroñgon, Reynaldo G. The First Guide to Climbing Mt. Apo. Davao City, National Media Production Center, 1983.

Style de citation MLA (9e éd.)

Soroñgon, Reynaldo G. The First Guide to Climbing Mt. Apo. 1983.